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

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Structure Number: 51471,  Location: 1.1 mi. S of jct. SR G62 (Lat: 41.177975,  Lng: -91.537578),  Route carried "on" structure: US 218,  Year Built: 2014,  Status: Open,  Structure Length: 6.00m (19.69ft),  Average Daily Traffic: 5,150 (year 2020),  Truck Traffic: 23%,  Average Future Daily Traffic: 5,150 (year 2040),  Design Load: HL 93,  Features Intersected: E FORK CROOKED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 343.529,  Lanes on structure: 2,  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: 3,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: 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: 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,  Inspection Date: November 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: 51481,  Location: 074062206 (Lat: 41.200144,  Lng: -91.533461),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 170 (year 2018),  Truck Traffic: 12%,  Average Future Daily Traffic: 170 (year 2041),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH,  Facility Carried by Structure: CO RD W64
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.917,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 48.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 27.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 8.30m (27.23ft),  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: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 51491,  Location: 074060308 (Lat: 41.236844,  Lng: -91.538742),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 150 (year 2018),  Truck Traffic: 24%,  Average Future Daily Traffic: 150 (year 2039),  Design Load: HS 20,  Features Intersected: BIG SLOUGH CREEK,  Facility Carried by Structure: CO RD W64
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.234,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 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: 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: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 4.00m (13.12ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 335561,  Location: 074061105 (Lat: 41.233172,  Lng: -91.514689),  Route carried "on" structure: County highway ,  Year Built: 1995,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 20 (year 2018),  Average Future Daily Traffic: 20 (year 2039),  Design Load: HS 20,  Features Intersected: BUFF CREEK,  Facility Carried by Structure: YUCCA AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.767,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Good,  Culverts: 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.90m (9.51ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 33557,  Location: 074061203 (Lat: 41.226939,  Lng: -91.497292),  Route carried "on" structure: County highway ,  Year Built: 1955,  Status: Open,  Structure Length: 2.10m (6.89ft),  Average Daily Traffic: 35 (year 2018),  Average Future Daily Traffic: 35 (year 2041),  Design Load: H 15,  Features Intersected: BUFF CREEK,  Facility Carried by Structure: 297TH PLACE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.122,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.7m (67.9ft),  Curb-To-Curb Width: 6.2m (20.3ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 28.8 metric tons,  Method Used To Determine Operating 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: Better than present minimum criteria,  Length Of Structure Improvement: 8.80m (28.87ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $251,000,  Roadway Improvement Cost: $25,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 335581,  Location: 074061903 (Lat: 41.201689,  Lng: -91.597442),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 30 (year 2018),  Average Future Daily Traffic: 30 (year 2039),  Design Load: HS 20,  Features Intersected: SMALL CREEK,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.649,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Satisfactory,  Culverts: 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.90m (9.51ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 33559,  Location: 074062205 (Lat: 41.206600,  Lng: -91.525900),  Route carried "on" structure: County highway ,  Year Built: 1964,  Status: Posted for load,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 30 (year 2018),  Average Future Daily Traffic: 30 (year 2041),  Design Load: H 15,  Features Intersected: SMALL CREEK,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.847,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 33.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 20.2 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 minimum 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),  Length Of Structure Improvement: 7.00m (22.97ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $214,000,  Roadway Improvement Cost: $19,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 335611,  Location: 074062901 (Lat: 41.192289,  Lng: -91.571725),  Route carried "on" structure: County highway ,  Year Built: 2004,  Status: Open,  Structure Length: 5.85m (19.19ft),  Average Daily Traffic: 80 (year 2018),  Average Future Daily Traffic: 80 (year 2040),  Design Load: HS 20,  Features Intersected: EAST FORK CROOKED CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.345,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  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: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 74.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.0 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 desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 19.20m (62.99ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2020,  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

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Structure Number: 606875,  Location: 0.8 mi. N of SR G-62 (Lat: 41.202914,  Lng: -91.528328),  Route carried "on" structure: US 218,  Year Built: 1997,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 12,100 (year 2020),  Truck Traffic: 19%,  Average Future Daily Traffic: 12,100 (year 2042),  Design Load: HS 20,  Features Intersected: DRAINAGE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 98.233,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 26.8m (87.9ft),  Skew: 23 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: Fair,  Culverts: Good,  Operating Rating: 32.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: 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: Febuary 2022

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Structure Number: 60688,  Location: 3.8 MI. S OF JCT. IA 92 (Lat: 41.237172,  Lng: -91.532639),  Route carried "on" structure: US 218,  Year Built: 1997,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 11,100 (year 2020),  Truck Traffic: 21%,  Average Future Daily Traffic: 11,100 (year 2042),  Design Load: HS 20,  Features Intersected: BIG SLOUGH CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 102.111,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 26.8m (87.9ft),  Skew: 20 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: Satisfactory,  Culverts: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022

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Structure Number: 60689,  Location: 1.1 mi. S. of Jct. SR G62 (Lat: 41.177408,  Lng: -91.537428),  Route carried "on" structure: US 218,  Year Built: 1997,  Status: Open,  Structure Length: 5.58m (18.31ft),  Average Daily Traffic: 5,150 (year 2020),  Truck Traffic: 23%,  Average Future Daily Traffic: 5,150 (year 2040),  Design Load: HS 20,  Features Intersected: E. FORK CROOKED CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 95.225,  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: 18.6m (61.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 62.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.5 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,  Waterway Adequacy: Equal 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: November 2020,  Underwater Inspection Date: November 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing