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


  • National Bridge Inventory (NBI) Statistics
  • 20Number of bridges
  • 627ft / 191mTotal length
  • 25,790Total average daily traffic
  • 2,090Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Keokuk
  • No street view available for this location

New bridges in Keokuk, IA - historical statistics
  • New bridges - historical statistics
  • 11930-1939
  • 31950-1959
  • 11960-1969
  • 31970-1979
  • 51980-1989
  • 61990-1999
  • 12000-2009
Average Bridge Daily Traffic in Keokuk, IA
Average Bridge Truck Traffic in Keokuk, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 11.1%Good
  • 55.6%Satisfactory
  • 33.3%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 44.4%Good
  • 44.4%Satisfactory
  • 11.1%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 55.6%Good
  • 22.2%Satisfactory
  • 11.1%Fair
  • 11.1%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 11.8%Very good
  • 29.4%Good
  • 35.3%Satisfactory
  • 17.6%Fair
  • 5.9%Poor
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 11.1%Excellent
  • 44.4%Good
  • 22.2%Satisfactory
  • 22.2%Fair
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Structure Number: 6861,  Location: 000000000 (Lat: 40.394233,  Lng: -91.397072),  Route carried "on" structure: City street ,  Year Built: 1982,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 500 (year 2018),  Average Future Daily Traffic: 500 (year 2040),  Design Load: H 20,  Features Intersected: SOAP CREEK,  Facility Carried by Structure: SO 10TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.859,  Lanes on structure: 2,  Owner: City or Municipal 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: 1,  Length of Maximum Span: 23.8m (78.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 77.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to 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 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 6891,  Location: 000000000 (Lat: 40.431050,  Lng: -91.389467),  Route carried "on" structure: City street ,  Year Built: 1983,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 820 (year 2018),  Average Future Daily Traffic: 820 (year 2040),  Design Load: HS 20,  Features Intersected: PRICES CREEK,  Facility Carried by Structure: RIVER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.425,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.1m (43.0ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 53.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 31.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Somewhat better than minimum adequacy,  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: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 69,  Location: 000000000 (Lat: 40.396233,  Lng: -91.410383),  Route carried "on" structure: City street ,  Year Built: 1933,  Status: Posted for load,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 770 (year 2018),  Average Future Daily Traffic: 770 (year 2040),  Design Load: H 20,  Features Intersected: SOAP CREEK,  Facility Carried by Structure: HILTON RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.672,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft)

Condition: Channel: Poor,  Culverts: Fair,  Operating Rating: 32.7 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: 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: May 2020
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Structure Number: 33091,  Location: AT MISSOURI STATE LINE (Lat: 40.385347,  Lng: -91.436911),  Route carried "on" structure: US 61,  Year Built: 1994,  Status: Open,  Structure Length: 39.69m (130.22ft),  Average Daily Traffic: 5,100 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 5,100 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: DES MOINES RVR, RR & RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 58.5m (191.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 66.6 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: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2020,  Underwater Inspection Date: July 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: 33195,  Location: 1.8 MI. E OF JCT US 61 (Lat: 40.391597,  Lng: -91.395094),  Route carried "on" structure: US 136,  Year Built: 1974,  Status: Open,  Structure Length: 14.36m (47.11ft),  Average Daily Traffic: 3,700 (year 2020),  Truck Traffic: 13%,  Average Future Daily Traffic: 3,700 (year 2041),  Design Load: HS 20,  Features Intersected: SOAP CREEK & BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.743,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.9m (48.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 29.3m (96.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 17.2m (56.4ft),  Out-to-Out Width: 21.5m (70.5ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 66.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Superior to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 33201,  Location: OVER MISS. RIVER-KEOKUK (Lat: 40.392369,  Lng: -91.379836),  Route carried "on" structure: US 136,  Year Built: 1985,  Status: Open,  Structure Length: 101.99m (334.61ft),  Average Daily Traffic: 9,500 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 9,500 (year 2040),  Design Load: HS 20,  Features Intersected: MISSISSIPPI RIVER & RR,R
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.526,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Skew: 30 degrees,  Navigation Control: Yes ( Vertical Clearance: 20.4m (66.9ft), Horizontal Clearance: 83.8m (274.9ft)),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 15,  Length of Maximum Span: 89.9m (294.9ft),  Curb or Sidewalk Widths: Left: 2.6m (8.5ft),  Right: 0.0m,  Curb-To-Curb Width: 18.9m (62.0ft),  Out-to-Out Width: 23.1m (75.8ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 61.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 36.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: September 2020,  Critical Feature Inspection Date: September 2020,  Underwater Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 21782,  Location: 065050704 (Lat: 40.442528,  Lng: -91.480297),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 6.98m (22.90ft),  Average Daily Traffic: 810 (year 2018),  Truck Traffic: 8%,  Average Future Daily Traffic: 810 (year 2041),  Design Load: H 20,  Features Intersected: SUGAR CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.213,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 26.8m (87.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 37.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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,  Length Of Structure Improvement: 22.70m (74.48ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $800,000,  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: 217831,  Location: 065051004 (Lat: 40.445919,  Lng: -91.425622),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 150 (year 2018),  Truck Traffic: 4%,  Average Future Daily Traffic: 150 (year 2039),  Design Load: HS 20,  Features Intersected: PRICES CREEK,  Facility Carried by Structure: WIRTZ LANE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.033,  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: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Excellent,  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: Superior to present desirable 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
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Structure Number: 21786,  Location: 065052009 (Lat: 40.410078,  Lng: -91.463353),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 180 (year 2018),  Average Future Daily Traffic: 180 (year 2041),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.278,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  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: Satisfactory,  Operating Rating: 29.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 17.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 2.30m (7.55ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $120,000,  Roadway Improvement Cost: $10,000
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Structure Number: 217865,  Location: 065052011 (Lat: 40.407183,  Lng: -91.455431),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 240 (year 2018),  Truck Traffic: 41%,  Average Future Daily Traffic: 240 (year 2041),  Design Load: H 20,  Features Intersected: HOG THIEF HOLLOW,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.501,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  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: Fair,  Operating Rating: 55.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 2.30m (7.55ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $120,000,  Roadway Improvement Cost: $10,000
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Structure Number: 217881,  Location: 065052803 (Lat: 40.394964,  Lng: -91.452053),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 1.19m (3.90ft),  Average Daily Traffic: 80 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 80 (year 2041),  Design Load: HS 20,  Features Intersected: HOG THIEF HOLLOW,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.040,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  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: 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
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Structure Number: 217911,  Location: 065053303 (Lat: 40.387325,  Lng: -91.448081),  Route carried "on" structure: County highway ,  Year Built: 1977,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 100 (year 2018),  Average Future Daily Traffic: 100 (year 2041),  Design Load: HS 20,  Features Intersected: HOG THIEF HOLLOW,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.040,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.2m (17.1ft)

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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021
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Structure Number: 21807,  Location: 066053506 (Lat: 40.473433,  Lng: -91.399744),  Route carried "on" structure: County highway ,  Year Built: 1957,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 150 (year 2018),  Average Future Daily Traffic: 150 (year 2040),  Design Load: H 15,  Features Intersected: LAMALEES CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.339,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Fair,  Operating Rating: 33.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.4 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.30m (7.55ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2020,  Bridge Improvement Cost: $120,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 218081,  Location: 066053504 (Lat: 40.474600,  Lng: -91.398853),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 150 (year 2018),  Average Future Daily Traffic: 150 (year 2040),  Design Load: HS 20,  Features Intersected: LAMALEES CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.488,  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: 3.7m (12.1ft)

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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2020
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Structure Number: 218092,  Location: 066053610 (Lat: 40.466114,  Lng: -91.385919),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 510 (year 2018),  Truck Traffic: 29%,  Average Future Daily Traffic: 510 (year 2040),  Design Load: HS 20,  Features Intersected: LAMALEES CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.101,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.8m (42.0ft)

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 minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2020
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Structure Number: 36314,  Location: 065051210 (Lat: 40.449831,  Lng: -91.389756),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 820 (year 2018),  Truck Traffic: 7%,  Average Future Daily Traffic: 820 (year 2041),  Design Load: HS 20,  Features Intersected: SMALL,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.230,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Very 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,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
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Structure Number: 50105,  Location: 000000000 (Lat: 40.431489,  Lng: -91.391944),  Route carried "on" structure: City street ,  Year Built: 1977,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 870 (year 2018),  Average Future Daily Traffic: 870 (year 2040),  Design Load: HS 20,  Features Intersected: PRICES CREEK,  Facility Carried by Structure: MIDDLE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.359,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.1m (43.0ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 53.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 31.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than 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: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 50426,  Location: 000000000 (Lat: 40.385889,  Lng: -91.426258),  Route carried "on" structure: City street ,  Year Built: 1994,  Status: Open,  Structure Length: 9.33m (30.61ft),  Average Daily Traffic: 860 (year 2018),  Average Future Daily Traffic: 860 (year 2040),  Design Load: HS 20,  Features Intersected: BNSF RR,  Facility Carried by Structure: TWIN RIVERS RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.436,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 36.0m (118.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.5m (31.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 64.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 38.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 33091,  Location: AT MISSOURI STATE LINE (Lat: 40.385347,  Lng: -91.436911),  Route carried "under" structure: City street ,  Year Built: 1994,  Structure Length: 0. m,  Average Daily Traffic: 280 (year 2018),  Features Intersected: DES MOINES RVR, RR & RD,  Facility Carried by Structure: US 61 & 136
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.048,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 58.5m (191.9ft)

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Structure Number: 33201,  Location: OVER MISS. RIVER-KEOKUK (Lat: 40.392369,  Lng: -91.379836),  Route carried "under" structure: City street ,  Year Built: 1985,  Structure Length: 0. m,  Average Daily Traffic: 200 (year 1975),  Features Intersected: MISSISSIPPI RIVER & RR,R,  Facility Carried by Structure: US 136
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.246,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 89.9m (294.9ft)

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