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


  • National Bridge Inventory (NBI) Statistics
  • 54Number of bridges
  • 626m2,054ftTotal length
  • 264,685Total average daily traffic
  • 18,676Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Burlington
  • No street view available for this location

New bridges - Historical Statistics

  • 3Before 1900
  • 11930-1939
  • 21940-1949
  • 11950-1959
  • 21960-1969
  • 381970-1979
  • 51990-1999
  • 22000-2009

Reconstructed bridges - Historical Statistics

  • 11950-1959
  • 11960-1969
  • 01970-1979
  • 31980-1989

Average Daily Traffic

Average Truck Traffic (%)

Bridge Condition - Deck

Bridge Condition - Superstructure

Bridge Condition - Substructure

Bridge Condition - Channel

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Structure Number: 871,  Location: 000000000 (Lat: 40.824500,  Lng: -91.106892),  Route carried "on" structure: City street ,  Year Built: 1882,  Year Reconstructed: 1985,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 600 (year 1975),  Average Future Daily Traffic: 731 (year 2034),  Features Intersected: DES MOINES ST,  Facility Carried by Structure: ASH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Masonry,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 52.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.7 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,  Underclear: High priority of replacement,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Bridge Improvement Cost: $160,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 881,  Location: 000000000 (Lat: 40.809508,  Lng: -91.106469),  Route carried "on" structure: City street ,  Year Built: 1993,  Status: Open,  Structure Length: 11.46m (37.60ft),  Average Daily Traffic: 2,230 (year 2014),  Average Future Daily Traffic: 3,002 (year 2034),  Design Load: HS 20,  Features Intersected: BNSF RR & VALLEY ST,  Facility Carried by Structure: 6TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 29.3m (96.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 44.1 metric tons,  Inventory Rating: 32.7 metric tons,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 9,  Location: 000000000 (Lat: 40.781753,  Lng: -91.098611),  Route carried "on" structure: City street ,  Year Built: 1896,  Year Reconstructed: 1960,  Status: Closed,  Structure Length: 14.14m (46.39ft),  Average Daily Traffic: 590 (year 2010),  Average Future Daily Traffic: 834 (year 2028),  Features Intersected: DRAINAGE,  Facility Carried by Structure: SO. MAIN ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Steel,  Design/Construction: Truss - Deck,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 48.8m (160.1ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Good,  Superstructure: Critical,  Substructure: Fair,  Channel: Very good,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 46.50m (152.56ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 12 months,  Inspection Date: August 2008,  Critical Feature Inspection Date: August 2008,  Bridge Improvement Cost: $977,000,  Roadway Improvement Cost: $50,000,  Deck Structure Type: Open Grating
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Structure Number: 651,  Location: 000000000 (Lat: 41.650150,  Lng: -91.509508),  Route carried "on" structure: City street ,  Year Built: 1930,  Year Reconstructed: 1961,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 151 (year 2010),  Average Future Daily Traffic: 203 (year 2033),  Features Intersected: RALSTON CREEK S. BRANCH,  Facility Carried by Structure: SIXTH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.2m (17.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 23.2 metric tons,  Inventory Rating: 17.0 metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 6.00m (19.69ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 13,  Bridge Improvement Cost: $300,000,  Roadway Improvement Cost: $30,000
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Structure Number: 795,  Location: 000000000 (Lat: 43.150011,  Lng: -93.206456),  Route carried "on" structure: City street ,  Year Built: 1965,  Status: Open,  Structure Length: 3.05m (10.01ft),  Average Daily Traffic: 1,370 (year 1998),  Average Future Daily Traffic: 1,672 (year 2034),  Design Load: HS 20,  Features Intersected: WILLOW CREEK,  Facility Carried by Structure: 2ND ST SW
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 56.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to 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,  Inspection Date: January 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 2281,  Location: AT MISSOURI STATE LINE (Lat: 40.575208,  Lng: -93.937467),  Route carried "on" structure: Interstate 35,  Year Built: 1970,  Status: Open,  Structure Length: 6.04m (19.82ft),  Average Daily Traffic: 5,750 (year 2013),  Truck Traffic: 34%,  Average Future Daily Traffic: 9,423 (year 2034),  Design Load: HS 20,  Features Intersected: 324TH STREET
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: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.9m (75.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 48.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 2343,  Location: 000000000 (Lat: 40.817992,  Lng: -91.113147),  Route carried "on" structure: Ramp City street ,  Year Built: 1943,  Status: Open,  Structure Length: 15.24m (50.00ft),  Average Daily Traffic: 4,600 (year 2006),  Average Future Daily Traffic: 6,195 (year 2034),  Design Load: H 20,  Features Intersected: BNSF RR & OSBORN,  Facility Carried by Structure: MT.PLEASANT ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 20.1m (65.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 39.6m (129.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 16.4m (53.8ft)

Condition: Deck: Serious,  Superstructure: Serious,  Substructure: Poor,  Operating Rating: 14.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 8.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of replacement,  Underclear: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Length Of Structure Improvement: 50.00m (164.04ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Bridge Improvement Cost: $1,620,000,  Roadway Improvement Cost: $80,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 23481,  Location: 0.8 mi. N of Jct. U.S. 34 (Lat: 40.829081,  Lng: -91.141372),  Route carried "on" structure: US 61,  Year Built: 1977,  Status: Open,  Structure Length: 5.88m (19.29ft),  Average Daily Traffic: 6,100 (year 2013),  Truck Traffic: 7%,  Average Future Daily Traffic: 9,803 (year 2034),  Design Load: HS 20,  Features Intersected: BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.820,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 7.2m (23.6ft),  Skew: 12 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 or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 0.0m,  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 11.5m (37.7ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 88.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 52.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: High priority of corrective action,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 14,  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: 23483,  Location: 0.8 mi. N of Jct. U.S. 34 (Lat: 40.829081,  Lng: -91.141372),  Route carried "on" structure: US 61,  Year Built: 1977,  Status: Open,  Structure Length: 5.88m (19.29ft),  Average Daily Traffic: 6,100 (year 2013),  Truck Traffic: 7%,  Average Future Daily Traffic: 9,803 (year 2034),  Design Load: HS 20,  Features Intersected: BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.820,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 7.2m (23.6ft),  Skew: 22 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 or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 11.5m (37.7ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 73.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of corrective action,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 14,  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: 2362,  Location: IN BURLINGTON (Lat: 40.815728,  Lng: -91.110139),  Route carried "on" structure: City street ,  Year Built: 1970,  Status: Open,  Structure Length: 4.39m (14.40ft),  Average Daily Traffic: 4,970 (year 2010),  Average Future Daily Traffic: 7,032 (year 2033),  Design Load: HS 20,  Features Intersected: US 34,  Facility Carried by Structure: CENTRAL AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 10.1m (33.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 21.9m (71.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 16.5m (54.1ft),  Out-to-Out Width: 19.1m (62.7ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Operating Rating: 81.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 2363,  Location: IN BURLINGTON (Lat: 40.815239,  Lng: -91.107044),  Route carried "on" structure: City street ,  Year Built: 1971,  Status: Open,  Structure Length: 6.74m (22.11ft),  Average Daily Traffic: 1,960 (year 1982),  Average Future Daily Traffic: 2,392 (year 2033),  Design Load: HS 20,  Features Intersected: US 34,  Facility Carried by Structure: 8TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  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: 9.1m (29.9ft),  Out-to-Out Width: 15.5m (50.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 82.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.4 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: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 2365,  Location: 1.9 mi. E of Jct. US 61 (Lat: 40.814508,  Lng: -91.103603),  Route carried "on" structure: City street ,  Year Built: 1970,  Status: Open,  Structure Length: 7.07m (23.20ft),  Average Daily Traffic: 930 (year 2010),  Average Future Daily Traffic: 1,251 (year 2033),  Design Load: HS 20,  Features Intersected: US 34,  Facility Carried by Structure: 5TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 18.6m (61.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 17.1m (56.1ft)

Condition: Deck: Fair,  Superstructure: Very good,  Substructure: Satisfactory,  Operating Rating: 69.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 3208,  Location: 3.4 MI. W OF Jct. IA 1 (Lat: 41.685717,  Lng: -91.564650),  Route carried "on" structure: City street ,  Year Built: 1962,  Status: Open,  Structure Length: 7.04m (23.10ft),  Average Daily Traffic: 18,100 (year 2010),  Average Future Daily Traffic: 26,896 (year 2034),  Design Load: H 20,  Features Intersected: I-80,  Facility Carried by Structure: 1ST AVE SB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 20 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 19.8m (65.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.9m (32.5ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 56.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 2587,  Location: 094392305 (Lat: 42.946300,  Lng: -95.418408),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Open,  Structure Length: 5.49m (18.01ft),  Average Daily Traffic: 40 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 40 (year 2033),  Design Load: H 15,  Features Intersected: WATERMAN CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.3m (69.9ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 28.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 18.3 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 50476,  Location: 000000000 (Lat: 40.812461,  Lng: -91.111294),  Route carried "on" structure: City street ,  Year Built: 2006,  Status: Open,  Structure Length: 12.25m (40.19ft),  Average Daily Traffic: 4,700 (year 1998),  Average Future Daily Traffic: 6,650 (year 2034),  Design Load: HS 20,  Features Intersected: BNSF RR,  Facility Carried by Structure: CENTRAL AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 122.5m (401.9ft),  Curb-To-Curb Width: 14.3m (46.9ft),  Out-to-Out Width: 14.9m (48.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 44.4 metric tons,  Inventory Rating: 32.7 metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 504765,  Location: 000000000 (Lat: 40.812511,  Lng: -91.111375),  Route carried "on" structure: City street ,  Year Built: 2006,  Status: Open,  Structure Length: 10.67m (35.01ft),  Average Daily Traffic: 1,870 (year 2010),  Average Future Daily Traffic: 2,281 (year 2034),  Design Load: HS 20,  Features Intersected: BNSF RR,  Facility Carried by Structure: WASHINGTON ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 106.7m (350.1ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.6m (38.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 44.4 metric tons,  Inventory Rating: 32.7 metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 60084,  Location: 0.4 MI. W OF JCT. US 61 (Lat: 40.818925,  Lng: -91.146261),  Route carried "on" structure: US 34,  Year Built: 1976,  Status: Open,  Structure Length: 6.13m (20.11ft),  Average Daily Traffic: 6,650 (year 2013),  Truck Traffic: 10%,  Average Future Daily Traffic: 11,113 (year 2033),  Design Load: HS 20,  Features Intersected: BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 25.804,  Lanes on structure: 2,  Base Highway Network: Yes,  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: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 14.1m (46.3ft),  Out-to-Out Width: 15.1m (49.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Operating Rating: 73.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 60085,  Location: 0.3 MI.W.OF JCT.US 61 (Lat: 40.819031,  Lng: -91.146567),  Route carried "on" structure: US 34,  Year Built: 1976,  Status: Open,  Structure Length: 6.13m (20.11ft),  Average Daily Traffic: 6,650 (year 2013),  Truck Traffic: 10%,  Average Future Daily Traffic: 11,113 (year 2033),  Design Load: HS 20,  Features Intersected: BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 25.804,  Lanes on structure: 2,  Base Highway Network: Yes,  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: 3,  Length of Maximum Span: 20.7m (67.9ft),  Curb-To-Curb Width: 14.8m (48.6ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 65.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 60287,  Location: AT JCT. U.S. 34 (Lat: 40.817578,  Lng: -91.141417),  Route carried "on" structure: US 61,  Year Built: 1973,  Status: Open,  Structure Length: 7.80m (25.59ft),  Average Daily Traffic: 18,900 (year 2013),  Truck Traffic: 6%,  Average Future Daily Traffic: 28,085 (year 2033),  Design Load: HS 20,  Features Intersected: US 34
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.697,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 19.8m (65.0ft),  Skew: 20 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 22.0m (72.2ft),  Out-to-Out Width: 22.4m (73.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 56.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 60288,  Location: 0.8 mi E. of Jct. US 61 (Lat: 40.817761,  Lng: -91.126339),  Route carried "on" structure: City street ,  Year Built: 1973,  Status: Open,  Structure Length: 13.08m (42.91ft),  Average Daily Traffic: 7,100 (year 2010),  Average Future Daily Traffic: 9,561 (year 2033),  Design Load: HS 20,  Features Intersected: US 34,  Facility Carried by Structure: CURRAN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 25.0m (82.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 16.5m (54.1ft),  Out-to-Out Width: 19.1m (62.7ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 70.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 602885,  Location: 1.5 mi. E of Jct. U.S. 61 (Lat: 40.815958,  Lng: -91.112544),  Route carried "on" structure: US 34,  Year Built: 1972,  Status: Open,  Structure Length: 19.76m (64.83ft),  Average Daily Traffic: 7,250 (year 2013),  Truck Traffic: 12%,  Average Future Daily Traffic: 12,113 (year 2034),  Design Load: HS 20,  Features Intersected: BNSF RR, CITY STS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.668,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 5,  Length of Maximum Span: 33.5m (109.9ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 13.3m (43.6ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 60.4 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 minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 602887,  Location: 1.5 mi. E of Jct. US 61 (Lat: 40.815950,  Lng: -91.112464),  Route carried "on" structure: US 34,  Year Built: 1972,  Status: Open,  Structure Length: 20.60m (67.59ft),  Average Daily Traffic: 7,250 (year 2013),  Truck Traffic: 12%,  Average Future Daily Traffic: 12,113 (year 2034),  Design Load: HS 20,  Features Intersected: BNSF RR, CITY STS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.668,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.1m (43.0ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 5,  Length of Maximum Span: 33.5m (109.9ft),  Curb-To-Curb Width: 12.7m (41.7ft),  Out-to-Out Width: 14.8m (48.6ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 53.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 602935,  Location: 1.4 MI. E OF JCT. US 61 (Lat: 40.815708,  Lng: -91.112397),  Route carried "on" structure: Ramp US 34,  Year Built: 1972,  Status: Open,  Structure Length: 20.76m (68.11ft),  Average Daily Traffic: 2,440 (year 2013),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,627 (year 2034),  Design Load: HS 20,  Features Intersected: BNSF RR & CITY STREETS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Skew: 9 degrees,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 6,  Length of Maximum Span: 32.3m (106.0ft),  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 55.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.1 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,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Critical Feature Inspection Date: October 14,  Other Special Inspection Date: October 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 60294,  Location: 1.5 mi. E of Jct. US 61 (Lat: 40.816258,  Lng: -91.112506),  Route carried "on" structure: Ramp US 34,  Year Built: 1972,  Status: Open,  Structure Length: 23.16m (75.98ft),  Average Daily Traffic: 2,450 (year 2013),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,640 (year 2034),  Design Load: HS 20,  Features Intersected: BNSF RR & CITY STREETS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 10,  Length of Maximum Span: 26.5m (86.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 90.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 602945,  Location: 2 mi. E of Jct. U.S. 61 (Lat: 40.814250,  Lng: -91.102453),  Route carried "on" structure: City street ,  Year Built: 1970,  Status: Open,  Structure Length: 6.28m (20.60ft),  Average Daily Traffic: 3,080 (year 2010),  Average Future Daily Traffic: 4,149 (year 2033),  Design Load: HS 20,  Features Intersected: US 34,  Facility Carried by Structure: 4TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  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: 4,  Length of Maximum Span: 18.6m (61.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 17.1m (56.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 68.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.8 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,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 604846,  Location: 0.3 MI W. OF ILLINOIS ST. (Lat: 40.813142,  Lng: -91.099697),  Route carried "on" structure: US 34,  Year Built: 1971,  Year Reconstructed: 1994,  Status: Open,  Structure Length: 16.12m (52.89ft),  Average Daily Traffic: 7,900 (year 2013),  Truck Traffic: 15%,  Average Future Daily Traffic: 13,203 (year 2033),  Design Load: HS 20,  Features Intersected: BJRY AND CITY STS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 29.879,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 28.7m (94.2ft),  Skew: 30 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 22.2m (72.8ft),  Out-to-Out Width: 23.3m (76.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 58.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 604851,  Location: 0.2 mi W of IL St. Line (Lat: 40.814075,  Lng: -91.099450),  Route carried "on" structure: Ramp US 34,  Year Built: 1972,  Year Reconstructed: 1993,  Status: Open,  Structure Length: 15.30m (50.20ft),  Average Daily Traffic: 670 (year 2013),  Truck Traffic: 9%,  Average Future Daily Traffic: 996 (year 2034),  Design Load: HS 20,  Features Intersected: PARKING LOT,  Facility Carried by Structure: W-N RAMP A
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Skew: 10 degrees,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 25.3m (83.0ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 38.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Critical Feature Inspection Date: October 14,  Other Special Inspection Date: October 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 604856,  Location: 0.1 mi. W of IL Border (Lat: 40.812747,  Lng: -91.099639),  Route carried "on" structure: Ramp US 34,  Year Built: 1993,  Status: Open,  Structure Length: 5.55m (18.21ft),  Average Daily Traffic: 990 (year 2013),  Truck Traffic: 12%,  Average Future Daily Traffic: 990 (year 2034),  Design Load: HS 20,  Features Intersected: HIGH STREET,  Facility Carried by Structure: S-E RAMP D
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Skew: 9 degrees,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Critical Feature Inspection Date: October 14,  Other Special Inspection Date: October 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 60486,  Location: 0.4 MI. W OF ILL ST. LINE (Lat: 40.812842,  Lng: -91.099900),  Route carried "on" structure: Ramp US 34,  Year Built: 1972,  Status: Open,  Structure Length: 12.10m (39.70ft),  Average Daily Traffic: 2,760 (year 2013),  Truck Traffic: 9%,  Average Future Daily Traffic: 4,100 (year 2034),  Design Load: HS 20,  Features Intersected: HIGH STREET,  Facility Carried by Structure: E-S RAMP B
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 15.9m (52.2ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 21.9m (71.9ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 44.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Critical Feature Inspection Date: October 14,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 604865,  Location: 0.4 mi. W of IL St. Line (Lat: 40.813703,  Lng: -91.099569),  Route carried "on" structure: Ramp US 34,  Year Built: 1972,  Status: Open,  Structure Length: 12.44m (40.81ft),  Average Daily Traffic: 2,500 (year 2013),  Truck Traffic: 8%,  Average Future Daily Traffic: 3,714 (year 2034),  Design Load: HS 20,  Features Intersected: PARKING LOT,  Facility Carried by Structure: N-W RAMP C
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: State Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 22.9m (75.1ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 33.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 20.0 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,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: October 14,  Critical Feature Inspection Date: October 14,  Other Special Inspection Date: October 13,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 871,  Location: 000000000 (Lat: 40.824500,  Lng: -91.106892),  Route carried "under" structure: City street ,  Year Built: 1882,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 3,080 (year 1994),  Features Intersected: DES MOINES ST,  Facility Carried by Structure: ASH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Masonry,  Design/Construction: Arch - Deck,  Length of Maximum Span: 7.3m (24.0ft)

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Structure Number: 881,  Location: 000000000 (Lat: 40.809508,  Lng: -91.106469),  Route carried "under" structure: City street ,  Year Built: 1993,  Structure Length: 11.46m (37.60ft),  Average Daily Traffic: 2,110 (year 2010),  Features Intersected: BNSF RR & VALLEY ST,  Facility Carried by Structure: 6TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 29.3m (96.1ft)

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Structure Number: 2343,  Location: 000000000 (Lat: 40.817992,  Lng: -91.113147),  Route carried "under" structure: City street ,  Year Built: 1943,  Structure Length: 15.24m (50.00ft),  Average Daily Traffic: 4,400 (year 2010),  Features Intersected: BNSF RR & OSBORN,  Facility Carried by Structure: MT.PLEASANT ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 39.6m (129.9ft)

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Structure Number: 2362,  Location: IN BURLINGTON (Lat: 40.815728,  Lng: -91.110139),  Route carried "under" structure: US 34,  Year Built: 1970,  Structure Length: 4.39m (14.40ft),  Average Daily Traffic: 12,200 (year 2012),  Truck Traffic: 14%,  Features Intersected: US 34,  Facility Carried by Structure: CENTRAL AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.988,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.9m (71.9ft)

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Structure Number: 2363,  Location: IN BURLINGTON (Lat: 40.815239,  Lng: -91.107044),  Route carried "under" structure: US 34,  Year Built: 1971,  Structure Length: 6.74m (22.11ft),  Average Daily Traffic: 13,100 (year 2013),  Truck Traffic: 13%,  Features Intersected: US 34,  Facility Carried by Structure: 8TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 29.236,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 29.3m (96.1ft)

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Structure Number: 2365,  Location: 1.9 mi. E of Jct. US 61 (Lat: 40.814508,  Lng: -91.103603),  Route carried "under" structure: US 34,  Year Built: 1970,  Structure Length: 7.07m (23.20ft),  Average Daily Traffic: 13,300 (year 2012),  Truck Traffic: 13%,  Features Intersected: US 34,  Facility Carried by Structure: 5TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 29.525,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.6m (61.0ft)

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Structure Number: 60287,  Location: AT JCT. U.S. 34 (Lat: 40.817578,  Lng: -91.141417),  Route carried "under" structure: US 34,  Year Built: 1973,  Structure Length: 7.80m (25.59ft),  Average Daily Traffic: 9,900 (year 2013),  Truck Traffic: 12%,  Features Intersected: US 34,  Facility Carried by Structure: US 61
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.626,  Lanes on structure: 4,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 2.5m (8.2ft)

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Structure Number: 60288,  Location: 0.8 mi E. of Jct. US 61 (Lat: 40.817761,  Lng: -91.126339),  Route carried "under" structure: US 34,  Year Built: 1973,  Structure Length: 13.08m (42.91ft),  Average Daily Traffic: 14,100 (year 2012),  Truck Traffic: 12%,  Features Intersected: US 34,  Facility Carried by Structure: CURRAN ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 27.599,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 2.5m (8.2ft)

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Structure Number: 602885,  Location: 1.5 mi. E of Jct. U.S. 61 (Lat: 40.815958,  Lng: -91.112544),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 19.76m (64.83ft),  Average Daily Traffic: 1,470 (year 1990),  Features Intersected: BNSF RR, CITY STS,  Facility Carried by Structure: U.S. 34 EB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 33.5m (109.9ft)

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Structure Number: 602885,  Location: 1.5 mi. E of Jct. U.S. 61 (Lat: 40.815958,  Lng: -91.112544),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 19.76m (64.83ft),  Average Daily Traffic: 4,210 (year 2014),  Features Intersected: BNSF RR, CITY STS,  Facility Carried by Structure: U.S. 34 EB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 33.5m (109.9ft)

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Structure Number: 602887,  Location: 1.5 mi. E of Jct. US 61 (Lat: 40.815950,  Lng: -91.112464),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 20.60m (67.59ft),  Average Daily Traffic: 4,210 (year 2014),  Features Intersected: BNSF RR, CITY STS,  Facility Carried by Structure: U.S. 34
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 33.5m (109.9ft)

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Structure Number: 602887,  Location: 1.5 mi. E of Jct. US 61 (Lat: 40.815950,  Lng: -91.112464),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 20.60m (67.59ft),  Average Daily Traffic: 1,470 (year 1990),  Features Intersected: BNSF RR, CITY STS,  Facility Carried by Structure: U.S. 34
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 33.5m (109.9ft)

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Structure Number: 602935,  Location: 1.4 MI. E OF JCT. US 61 (Lat: 40.815708,  Lng: -91.112397),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 20.76m (68.11ft),  Average Daily Traffic: 1,470 (year 1990),  Features Intersected: BNSF RR & CITY STREETS,  Facility Carried by Structure: US 34 RAMP
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 32.3m (106.0ft)

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Structure Number: 602935,  Location: 1.4 MI. E OF JCT. US 61 (Lat: 40.815708,  Lng: -91.112397),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 20.76m (68.11ft),  Average Daily Traffic: 4,210 (year 2014),  Features Intersected: BNSF RR & CITY STREETS,  Facility Carried by Structure: US 34 RAMP
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 32.3m (106.0ft)

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Structure Number: 60294,  Location: 1.5 mi. E of Jct. US 61 (Lat: 40.816258,  Lng: -91.112506),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 23.16m (75.98ft),  Average Daily Traffic: 1,470 (year 1990),  Features Intersected: BNSF RR & CITY STREETS,  Facility Carried by Structure: US 34 RAMP C
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 26.5m (86.9ft)

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Structure Number: 60294,  Location: 1.5 mi. E of Jct. US 61 (Lat: 40.816258,  Lng: -91.112506),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 23.16m (75.98ft),  Average Daily Traffic: 4,210 (year 2014),  Features Intersected: BNSF RR & CITY STREETS,  Facility Carried by Structure: US 34 RAMP C
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 26.5m (86.9ft)

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Structure Number: 602945,  Location: 2 mi. E of Jct. U.S. 61 (Lat: 40.814250,  Lng: -91.102453),  Route carried "under" structure: US 34,  Year Built: 1970,  Structure Length: 6.28m (20.60ft),  Average Daily Traffic: 13,300 (year 2012),  Truck Traffic: 13%,  Features Intersected: US 34,  Facility Carried by Structure: 4TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 29.556,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.6m (61.0ft)

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Structure Number: 604846,  Location: 0.3 MI W. OF ILLINOIS ST. (Lat: 40.813142,  Lng: -91.099697),  Route carried "under" structure: City street ,  Year Built: 1971,  Structure Length: 16.12m (52.89ft),  Average Daily Traffic: 6,500 (year 2010),  Features Intersected: BJRY AND CITY STS,  Facility Carried by Structure: US 34
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 2.5m (8.2ft)

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Structure Number: 604846,  Location: 0.3 MI W. OF ILLINOIS ST. (Lat: 40.813142,  Lng: -91.099697),  Route carried "under" structure: City street ,  Year Built: 1971,  Structure Length: 16.12m (52.89ft),  Average Daily Traffic: 1,370 (year 1998),  Features Intersected: BJRY AND CITY STS,  Facility Carried by Structure: US 34
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 2.5m (8.2ft)

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Structure Number: 604851,  Location: 0.2 mi W of IL St. Line (Lat: 40.814075,  Lng: -91.099450),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 15.30m (50.20ft),  Average Daily Traffic: 1,370 (year 1998),  Features Intersected: PARKING LOT,  Facility Carried by Structure: W-N RAMP A
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 25.3m (83.0ft)

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Structure Number: 604856,  Location: 0.1 mi. W of IL Border (Lat: 40.812747,  Lng: -91.099639),  Route carried "under" structure: City street ,  Year Built: 1993,  Structure Length: 5.55m (18.21ft),  Average Daily Traffic: 1,407 (year 1998),  Features Intersected: HIGH STREET,  Facility Carried by Structure: S-E RAMP D
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 18.6m (61.0ft)

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Structure Number: 604856,  Location: 0.1 mi. W of IL Border (Lat: 40.812747,  Lng: -91.099639),  Route carried "under" structure: City street ,  Year Built: 1993,  Structure Length: 5.55m (18.21ft),  Average Daily Traffic: 1,370 (year 1998),  Features Intersected: HIGH STREET,  Facility Carried by Structure: S-E RAMP D
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 18.6m (61.0ft)

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Structure Number: 60486,  Location: 0.4 MI. W OF ILL ST. LINE (Lat: 40.812842,  Lng: -91.099900),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 12.10m (39.70ft),  Average Daily Traffic: 6,400 (year 2014),  Features Intersected: HIGH STREET,  Facility Carried by Structure: E-S RAMP B
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 21.9m (71.9ft)

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Structure Number: 60486,  Location: 0.4 MI. W OF ILL ST. LINE (Lat: 40.812842,  Lng: -91.099900),  Route carried "under" structure: City street ,  Year Built: 1972,  Structure Length: 12.10m (39.70ft),  Average Daily Traffic: 1,407 (year 1998),  Features Intersected: HIGH STREET,  Facility Carried by Structure: E-S RAMP B
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Length of Maximum Span: 21.9m (71.9ft)

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