Bridge Statistics for Mount Pleasant, Iowa (IA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs

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Structure Number: 10491,  Location: 000000000 (Lat: 42.494264,  Lng: -96.392486),  Route carried "on" structure: City street ,  Year Built: 1984,  Status: Open,  Structure Length: 7.77m (25.49ft),  Average Daily Traffic: 6,300 (year 2019),  Average Future Daily Traffic: 6,300 (year 2041),  Design Load: HS 20,  Features Intersected: RR,  Facility Carried by Structure: 4TH ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.395,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 15.9m (52.2ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 20.1m (65.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 15.9m (52.2ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 71.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 25.50m (83.66ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 2844,  Location: 071071227 (Lat: 40.967261,  Lng: -91.603297),  Route carried "on" structure: County highway ,  Year Built: 1957,  Status: Open,  Structure Length: 12.74m (41.80ft),  Average Daily Traffic: 2,960 (year 2018),  Average Future Daily Traffic: 2,960 (year 2041),  Design Load: H 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: 235TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.280,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 48.8m (160.1ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 44.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 28471,  Location: 4.7 MI. S OF S JCT US 218 (Lat: 40.896833,  Lng: -91.555011),  Route carried "on" structure: US 218,  Year Built: 2019,  Status: Open,  Structure Length: 19.02m (62.40ft),  Average Daily Traffic: 3,950 (year 2020),  Truck Traffic: 23%,  Average Future Daily Traffic: 3,950 (year 2041),  Design Load: HL 93,  Features Intersected: SKUNK RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 61.678,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 38.7m (127.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 72 months,  Inspection Date: August 2021,  Underwater Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 2848,  Location: 3.0 mi. S of S Jct. US 34 (Lat: 40.919603,  Lng: -91.542228),  Route carried "on" structure: US 218,  Year Built: 1963,  Status: Open,  Structure Length: 6.10m (20.01ft),  Average Daily Traffic: 3,950 (year 2020),  Truck Traffic: 23%,  Average Future Daily Traffic: 3,950 (year 2042),  Design Load: HS 20,  Features Intersected: BIG CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 64.427,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 77.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 2849,  Location: 071061506 (Lat: 40.949217,  Lng: -91.539628),  Route carried "on" structure: City street ,  Year Built: 1963,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 1,180 (year 2014),  Average Future Daily Traffic: 1,180 (year 2041),  Design Load: HS 20,  Features Intersected: HEATHS CREEK,  Facility Carried by Structure: IOWA HWY 438
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.289,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 285,  Location: 071061006 (Lat: 40.967058,  Lng: -91.538967),  Route carried "on" structure: City street ,  Year Built: 1967,  Status: Open,  Structure Length: 4.85m (15.91ft),  Average Daily Traffic: 7,200 (year 2018),  Average Future Daily Traffic: 7,200 (year 2041),  Design Load: HS 20,  Features Intersected: EAST HENRY ST,  Facility Carried by Structure: GRAND AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.211,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.4m (57.1ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Operating Rating: 55.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 28.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 15.90m (52.17ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 2851,  Location: 071061006 (Lat: 40.968331,  Lng: -91.538800),  Route carried "on" structure: City street ,  Year Built: 1968,  Status: Open,  Structure Length: 6.55m (21.49ft),  Average Daily Traffic: 7,200 (year 2018),  Average Future Daily Traffic: 7,200 (year 2041),  Design Load: HS 20,  Features Intersected: BNSF RR,  Facility Carried by Structure: CITY STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.354,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Operating Rating: 42.8 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 25.9 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 21.50m (70.54ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 2852,  Location: 1.3 mi. N of N Jct. US 34 (Lat: 41.006753,  Lng: -91.549264),  Route carried "on" structure: US 218,  Year Built: 1968,  Status: Open,  Structure Length: 4.82m (15.81ft),  Average Daily Traffic: 4,900 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 4,900 (year 2041),  Design Load: HS 20,  Features Intersected: BIG CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 362.751,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 65.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 2853,  Location: 2.7 mi. N of N Jct. US 34 (Lat: 41.027608,  Lng: -91.548544),  Route carried "on" structure: US 218,  Year Built: 1967,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 11,200 (year 2020),  Truck Traffic: 23%,  Average Future Daily Traffic: 11,200 (year 2041),  Design Load: HS 20,  Features Intersected: SPRING CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 78.385,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 20 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 90.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 64.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021

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Structure Number: 2854,  Location: 1.5 mi S of SR H28 (Lat: 41.040167,  Lng: -91.545006),  Route carried "on" structure: US 218,  Year Built: 1958,  Year Reconstructed: 1999,  Status: Open,  Structure Length: 2.16m (7.09ft),  Average Daily Traffic: 11,200 (year 2020),  Truck Traffic: 23%,  Average Future Daily Traffic: 11,200 (year 2041),  Design Load: H 20,  Features Intersected: LITTLE POTOMAC
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 79.849,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 26.8m (87.9ft),  Skew: 24 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.5m (18.0ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Operating Rating: 30.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 22.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021

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Structure Number: 17987,  Location: 070050603 (Lat: 40.891414,  Lng: -91.474281),  Route carried "on" structure: County highway ,  Year Built: 1956,  Status: Open,  Structure Length: 2.50m (8.20ft),  Average Daily Traffic: 50 (year 2018),  Average Future Daily Traffic: 50 (year 2040),  Design Load: H 15,  Features Intersected: BRUSH CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.739,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 26.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 16.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 10.80m (35.43ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2020,  Bridge Improvement Cost: $162,000,  Roadway Improvement Cost: $15,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180011,  Location: 070060212 (Lat: 40.889556,  Lng: -91.507044),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 6.61m (21.69ft),  Average Daily Traffic: 160 (year 2018),  Average Future Daily Traffic: 160 (year 2040),  Design Load: HS 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.431,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.5m (77.1ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 82.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180021,  Location: 070060105 (Lat: 40.892300,  Lng: -91.501353),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Posted for load,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 10 (year 2014),  Average Future Daily Traffic: 10 (year 2040),  Features Intersected: DICKEY BR.,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.221,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 29.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 20.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 18031,  Location: 071050504 (Lat: 40.978467,  Lng: -91.457628),  Route carried "on" structure: County highway ,  Year Built: 1957,  Status: Posted for load,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 60 (year 2018),  Average Future Daily Traffic: 60 (year 2041),  Design Load: H 15,  Features Intersected: S. BR. BIG CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.850,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 27.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 14.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 13.00m (42.65ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $195,000,  Roadway Improvement Cost: $15,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180331,  Location: 071050603 (Lat: 40.987944,  Lng: -91.484433),  Route carried "on" structure: County highway ,  Year Built: 1999,  Status: Open,  Structure Length: 4.24m (13.91ft),  Average Daily Traffic: 960 (year 2018),  Average Future Daily Traffic: 960 (year 2039),  Design Load: HS 20,  Features Intersected: SOUTH BIG CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.843,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 74.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 14.40m (47.24ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Bridge Improvement Cost: $216,000,  Roadway Improvement Cost: $15,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180391,  Location: 071060802 (Lat: 40.974494,  Lng: -91.583044),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 5.76m (18.90ft),  Average Daily Traffic: 960 (year 2018),  Truck Traffic: 11%,  Average Future Daily Traffic: 960 (year 2039),  Design Load: HS 20,  Features Intersected: BNSF RR,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.632,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180401,  Location: 071060603 (Lat: 40.979061,  Lng: -91.594564),  Route carried "on" structure: County highway ,  Year Built: 1992,  Status: Open,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 500 (year 2018),  Truck Traffic: 9%,  Average Future Daily Traffic: 500 (year 2041),  Design Load: HS 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.865,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.7m (81.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Good,  Inventory Rating: 35.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180411,  Location: 071061502 (Lat: 40.946919,  Lng: -91.544767),  Route carried "on" structure: City street ,  Year Built: 1973,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 660 (year 2018),  Average Future Daily Traffic: 660 (year 2041),  Design Load: H 20,  Features Intersected: HEATHER BRANCH,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.785,  Lanes on structure: 2,  Owner: County Highway Agency,  Maintenance Responsibility: City or Municipal Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft)

Condition: Channel: Fair,  Culverts: Serious,  Operating Rating: 32.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 22.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 180416,  Location: 071061708 (Lat: 40.945889,  Lng: -91.570694),  Route carried "on" structure: County highway ,  Year Built: 1999,  Status: Open,  Structure Length: 5.36m (17.59ft),  Average Daily Traffic: 1,030 (year 2018),  Average Future Daily Traffic: 1,030 (year 2039),  Design Load: HS 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.252,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.2m (63.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 70.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180421,  Location: 071061805 (Lat: 40.957475,  Lng: -91.594214),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 5.47m (17.95ft),  Average Daily Traffic: 110 (year 2014),  Average Future Daily Traffic: 110 (year 2039),  Design Load: HS 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.226,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.8m (65.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 73.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 18044,  Location: 071062603 (Lat: 40.930175,  Lng: -91.510406),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Posted for load,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 70 (year 2014),  Average Future Daily Traffic: 70 (year 2040),  Features Intersected: SPEARMAN BRANCH,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.845,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Fair,  Operating Rating: 30.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 17.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 5.80m (19.03ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2020,  Bridge Improvement Cost: $87,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180451,  Location: 071062604 (Lat: 40.928886,  Lng: -91.516081),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 260 (year 2018),  Average Future Daily Traffic: 260 (year 2040),  Design Load: HS 20,  Features Intersected: SPEARMAN BRANCH,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.013,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 8.00m (26.25ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2020,  Bridge Improvement Cost: $85,000,  Roadway Improvement Cost: $50,000

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Structure Number: 180461,  Location: 071062606 (Lat: 40.928878,  Lng: -91.511906),  Route carried "on" structure: County highway ,  Year Built: 1977,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 80 (year 2014),  Average Future Daily Traffic: 80 (year 2040),  Design Load: HS 20,  Features Intersected: SPEARMAN BRANCH,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.369,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 6.00m (19.69ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2020,  Bridge Improvement Cost: $81,000,  Roadway Improvement Cost: $10,000

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Structure Number: 180481,  Location: 071062709 (Lat: 40.917503,  Lng: -91.536308),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Posted for load,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 30 (year 2006),  Average Future Daily Traffic: 30 (year 2041),  Features Intersected: SPEARMAN BRANCH,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.427,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.1m (33.1ft),  Curb-To-Curb Width: 6.4m (21.0ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 23.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 16.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 2.00m (6.56ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $75,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 180486,  Location: 071062810 (Lat: 40.929211,  Lng: -91.554719),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 4.69m (15.39ft),  Average Daily Traffic: 970 (year 2018),  Average Future Daily Traffic: 970 (year 2039),  Design Load: HS 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.633,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.1m (56.1ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 74.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 24.20m (79.40ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Bridge Improvement Cost: $364,000,  Roadway Improvement Cost: $20,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180515,  Location: 071063602 (Lat: 40.905533,  Lng: -91.503650),  Route carried "on" structure: County highway ,  Year Built: 1956,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 70 (year 2014),  Average Future Daily Traffic: 70 (year 2040),  Design Load: H 15,  Features Intersected: DICKEY CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.577,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft)

Condition: Channel: Fair,  Culverts: Poor,  Operating Rating: 32.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 16.1 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 7.80m (25.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2020,  Bridge Improvement Cost: $94,000,  Roadway Improvement Cost: $15,000

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Structure Number: 18084,  Location: 072053101 (Lat: 41.002642,  Lng: -91.485031),  Route carried "on" structure: County highway ,  Year Built: 1918,  Status: Posted for load,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 10 (year 2014),  Average Future Daily Traffic: 10 (year 2041),  Features Intersected: NORTH BIG CREEK,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.086,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.1m (33.1ft),  Curb-To-Curb Width: 5.3m (17.4ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 22.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 13.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 5.40m (17.72ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $82,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180851,  Location: 072053102 (Lat: 41.001139,  Lng: -91.486764),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 120 (year 2018),  Average Future Daily Traffic: 120 (year 2039),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.450,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 7.30m (23.95ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Bridge Improvement Cost: $147,000,  Roadway Improvement Cost: $10,000

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Structure Number: 180862,  Location: 072053104 (Lat: 40.989883,  Lng: -91.486875),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 120 (year 2018),  Average Future Daily Traffic: 120 (year 2039),  Design Load: HL 93,  Features Intersected: SOUTH BIG CREEK,  Facility Carried by Structure: X13 MARSH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.201,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 180951,  Location: 072061805 (Lat: 41.039897,  Lng: -91.596861),  Route carried "on" structure: County highway ,  Year Built: 1975,  Status: Posted for load-capacity,  Structure Length: 1.62m (5.31ft),  Average Daily Traffic: 15 (year 2014),  Average Future Daily Traffic: 15 (year 2041),  Design Load: H 20,  Features Intersected: LYNN CREEK,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.035,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Good,  Operating Rating: 28.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 13.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 180991,  Location: 072062905 (Lat: 41.017814,  Lng: -91.579714),  Route carried "on" structure: County highway ,  Year Built: 1988,  Status: Posted for load,  Structure Length: 1.98m (6.50ft),  Average Daily Traffic: 70 (year 2014),  Average Future Daily Traffic: 70 (year 2042),  Features Intersected: LYNN CREEK,  Facility Carried by Structure: HICKORY AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.991,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 19.5m (64.0ft),  Curb-To-Curb Width: 6.5m (21.3ft),  Out-to-Out Width: 7.0m (23.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 21.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 14.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 7.50m (24.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022,  Bridge Improvement Cost: $102,000,  Roadway Improvement Cost: $250,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 181001,  Location: 072062904 (Lat: 41.015794,  Lng: -91.581703),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Open,  Structure Length: 5.76m (18.90ft),  Average Daily Traffic: 230 (year 2018),  Average Future Daily Traffic: 230 (year 2040),  Design Load: H 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.438,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 69.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 181021,  Location: 072063404 (Lat: 41.000514,  Lng: -91.537517),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 5.49m (18.01ft),  Average Daily Traffic: 170 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 170 (year 2039),  Design Load: H 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.709,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 64.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 34.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 181031,  Location: 072063504 (Lat: 40.991086,  Lng: -91.520531),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 5.09m (16.70ft),  Average Daily Traffic: 35 (year 2014),  Average Future Daily Traffic: 35 (year 2039),  Design Load: H 20,  Features Intersected: BIG CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.114,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 62.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 181041,  Location: 072063613 (Lat: 40.995447,  Lng: -91.495917),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Posted for load,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 10 (year 2014),  Average Future Daily Traffic: 10 (year 2042),  Features Intersected: BRANCH BIG CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.660,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.4m (21.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 13.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 10.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 7.50m (24.61ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: Febuary 2022,  Bridge Improvement Cost: $102,000,  Roadway Improvement Cost: $60,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 36613,  Location: 071053201 (Lat: 40.915022,  Lng: -91.467158),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Posted for load,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 25 (year 2014),  Average Future Daily Traffic: 25 (year 2042),  Features Intersected: BRANCH OF BUSH CREEK,  Facility Carried by Structure: 270TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.300,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 6.5m (21.3ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 5.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 3.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Designated Inspection Frequency: Every 12 months,  Inspection Date: Febuary 2022,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 607335,  Location: 1.3 mi. N of S Jct. US 34 (Lat: 41.006236,  Lng: -91.548950),  Route carried "on" structure: US 218,  Year Built: 2000,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 4,900 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 4,900 (year 2041),  Design Load: HS 20,  Features Intersected: BIG CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 76.013,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.4m (66.9ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 67.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 607545,  Location: 1.8 mi. S of S Jct. US 34 (Lat: 40.937644,  Lng: -91.534617),  Route carried "on" structure: County highway ,  Year Built: 2001,  Status: Open,  Structure Length: 9.14m (29.99ft),  Average Daily Traffic: 900 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 900 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: U.S. 218,  Facility Carried by Structure: 255TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.064,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 31.1m (102.0ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 83.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 60755,  Location: 0.3 mi. W of E Jct. 218 (Lat: 40.962461,  Lng: -91.516142),  Route carried "on" structure: Ramp US 34,  Year Built: 2001,  Status: Open,  Structure Length: 6.49m (21.29ft),  Average Daily Traffic: 2,050 (year 2020),  Truck Traffic: 22%,  Average Future Daily Traffic: 2,050 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: BNSF
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 44.646,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 7.8m (25.6ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 72.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 60799,  Location: 0.3 mi. W of E Jct.US 218 (Lat: 40.963239,  Lng: -91.517003),  Route carried "on" structure: US 34,  Year Built: 2001,  Status: Open,  Structure Length: 6.34m (20.80ft),  Average Daily Traffic: 1,025 (year 2020),  Truck Traffic: 22%,  Average Future Daily Traffic: 1,025 (year 2041),  Design Load: HS 20+Mod,  Features Intersected: BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 387.479,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 44.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 607995,  Location: 0.3 mi. W of E Jct US 218 (Lat: 40.962625,  Lng: -91.516894),  Route carried "on" structure: US 218,  Year Built: 2001,  Status: Open,  Structure Length: 6.31m (20.70ft),  Average Daily Traffic: 3,500 (year 2020),  Truck Traffic: 29%,  Average Future Daily Traffic: 3,500 (year 2041),  Design Load: HS 20,  Features Intersected: BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 69.702,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Operating Rating: 66.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing