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Bridge Statistics for Rock Island, Illinois (IL) - Condition, Traffic, Stress, Structural Evaluation, Project Costs

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National Bridge Inventory (NBI) Statistics
Number of bridges: 37
Total length: 536 meters (1,759ft)
Total costs: $35,726,000
Total average daily traffic: 291,332
Total average daily truck traffic: 20,371
National Bridge Inventory (NBI) Registered Bridges for Rock Island

New bridges - Historical Statistics

  • Before 1900: 3
  • 1900-1909: 0
  • 1910-1919: 0
  • 1920-1929: 0
  • 1930-1939: 3
  • 1940-1949: 2
  • 1950-1959: 0
  • 1960-1969: 17
  • 1970-1979: 5
  • 1980-1989: 5
  • 1990-1999: 1
  • 2000-2009: 1

Reconstructed bridges - Historical Statistics

  • 1990-1999: 6
  • 2000-2009: 4

Average Daily Traffic

Average Truck Traffic (%)

Bridge Condition - Deck

Bridge Condition - Superstructure

Bridge Condition - Substructure

Bridge Condition - Channel

Bridge Condition - Culverts

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Structure Number: 819903,  Location: ROCK ISLAND ARSENAL (Lat: 41.516667,  Lng: -90.565000),  Route carried "on" structure: Other road ,  Year Built: 1896,  Status: Open,  Structure Length: 56.43m (185.14ft),  Average Daily Traffic: 18,000 (year 2006),  Truck Traffic: 2%,  Average Future Daily Traffic: 25,000 (year 2028),  Design Load: HS 20,  Features Intersected: US67,MISSRVR,L&D15,CPRR,  Facility Carried by Structure: FT ARMSTRNG AV, RR
Minimum Vertical Clearance: 3.75m (12.30ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: Army,  Approaching Roadway Width: 7.9m (25.9ft),  Navigation Control: Yes ( Vertical Clearance: 7.3m (24.0ft), Horizontal Clearance: 33.5m (109.9ft)),  Material/Design: Steel,  Design/Construction: Movable - Swing,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 7,  Length of Maximum Span: 78.6m (257.9ft),  Curb or Sidewalk Widths: Left: 2.0m (6.6ft),  Right: 2.0m (6.6ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 34.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 22.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 56.43m (185.14ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 12 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: June 2006,  Critical Feature Inspection Date: June 2006,  Underwater Inspection Date: June 2003,  Bridge Improvement Cost: $140,000,  Roadway Improvement Cost: $14,000,  Total Project Cost: $154,000 ( Estimate for 2006),  Deck Structure Type: Open Grating,  Wearing Surface/Protective System: Deck Protection: Galvanized Reinforcing
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Structure Number: 819909,  Location: SE ARSENAL ISLAND (Lat: 41.510733,  Lng: -90.518450),  Route carried "on" structure: Other road ,  Year Built: 1981,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 40.97m (134.42ft),  Average Daily Traffic: 9,550 (year 2006),  Truck Traffic: 5%,  Average Future Daily Traffic: 11,900 (year 2028),  Design Load: HS 20,  Features Intersected: MOLINE POOL,  Facility Carried by Structure: RODMAN AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 1,  Owner: Army,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 4,  Number Of Approach Spans: 8,  Length of Maximum Span: 70.1m (230.0ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 13.8m (45.3ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 44.5 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: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  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: > 39.9% below),  Length Of Structure Improvement: 40.97m (134.42ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: June 2006,  Critical Feature Inspection Date: June 2006,  Underwater Inspection Date: June 2006,  Bridge Improvement Cost: $2,043,000,  Roadway Improvement Cost: $1,000,  Total Project Cost: $2,044,000 ( Estimate for 2006),  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: 81-9903,  Location: ROCK ISL ARSENL TO DAV,IA (Lat: 41.683333,  Lng: -90.565000),  Route carried "on" structure: Federal lands road ,  Year Built: 1896,  Status: Open,  Structure Length: 48.98m (160.70ft),  Average Daily Traffic: 17,263 (year 1995),  Truck Traffic: 2%,  Average Future Daily Traffic: 20,000 (year 2016),  Design Load: HS 20,  Features Intersected: US67,MISSRVR,L&D15,CPRR,  Facility Carried by Structure: GOVT BRIDGE & RR
Minimum Vertical Clearance: 3.71m (12.17ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: Corps of Engineers (Civil),  Approaching Roadway Width: 7.9m (25.9ft),  Navigation Control: Yes ( Vertical Clearance: 6.1m (20.0ft), Horizontal Clearance: 33.5m (109.9ft)),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 6,  Number Of Approach Spans: 1,  Length of Maximum Span: 111.3m (365.2ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Very good,  Operating Rating: 37.2 metric tons,  Inventory Rating: 22.7 metric tons,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 47.30m (155.18ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 1995,  Bridge Improvement Cost: $12,817,000,  Roadway Improvement Cost: $1,282,000,  Total Project Cost: $15,087,000 ( Estimate for 1997),  Deck Structure Type: Closed Grating,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 8100621777,  Location: CENTENNIAL FRWY R.I. (Lat: 41.502236,  Lng: -90.592531),  Route carried "on" structure: State highway 92,  Year Built: 1964,  Status: Open,  Structure Length: 4.02m (13.19ft),  Average Daily Traffic: 10,800 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 13,200 (year 2026),  Design Load: HS 20,  Features Intersected: 7TH AVE-ROCK ISLAND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 47.160,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.8m (55.1ft),  Skew: 30 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.7m (58.1ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 16.8m (55.1ft),  Out-to-Out Width: 20.4m (66.9ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Satisfactory,  Operating Rating: 53.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.82m (15.81ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: November 2007,  Bridge Improvement Cost: $1,164,000,  Roadway Improvement Cost: $116,000,  Total Project Cost: $1,746,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 81006317771,  Location: CENTENNIAL FRWY R.I. (Lat: 41.494219,  Lng: -90.593222),  Route carried "on" structure: State highway 92,  Year Built: 1963,  Status: Open,  Structure Length: 3.93m (12.89ft),  Average Daily Traffic: 11,500 (year 2007),  Truck Traffic: 10%,  Average Future Daily Traffic: 16,800 (year 2020),  Design Load: HS 20,  Features Intersected: 18TH AVE-ROCK ISLAND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 46.259,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.8m (55.1ft),  Skew: 30 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 16.8m (55.1ft),  Out-to-Out Width: 20.4m (66.9ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Satisfactory,  Operating Rating: 54.9 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: Meets minimum limits,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.72m (15.49ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: November 2007,  Bridge Improvement Cost: $1,137,000,  Roadway Improvement Cost: $114,000,  Total Project Cost: $1,706,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 81006417772,  Location: .2 MI S 18TH ST R.I. (Lat: 41.491767,  Lng: -90.594086),  Route carried "on" structure: State highway 92,  Year Built: 1963,  Status: Open,  Structure Length: 6.98m (22.90ft),  Average Daily Traffic: 11,500 (year 2007),  Truck Traffic: 10%,  Average Future Daily Traffic: 17,200 (year 2021),  Design Load: HS 20,  Features Intersected: IAIS RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 45.953,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 20.7m (67.9ft),  Skew: 35 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 26.5m (86.9ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 20.7m (67.9ft),  Out-to-Out Width: 24.4m (80.1ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 58.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 38.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.98m (22.90ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2007,  Bridge Improvement Cost: $1,411,000,  Roadway Improvement Cost: $141,000,  Total Project Cost: $2,117,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 81006517773,  Location: CENTENNIAL FRWY R.I. (Lat: 41.483428,  Lng: -90.602050),  Route carried "on" structure: State highway 92,  Year Built: 1963,  Status: Open,  Structure Length: 4.27m (14.01ft),  Average Daily Traffic: 7,000 (year 2007),  Truck Traffic: 13%,  Average Future Daily Traffic: 10,500 (year 2020),  Design Load: HS 20,  Features Intersected: 31ST ST-ROCK ISLAND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 44.843,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.5m (64.0ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Fair,  Operating Rating: 53.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.12m (16.80ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: November 2007,  Bridge Improvement Cost: $665,000,  Roadway Improvement Cost: $67,000,  Total Project Cost: $998,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 81006617774,  Location: CENTENNIAL FRWY R.I. (Lat: 41.483311,  Lng: -90.601911),  Route carried "on" structure: State highway 92,  Year Built: 1963,  Status: Open,  Structure Length: 4.27m (14.01ft),  Average Daily Traffic: 7,000 (year 2007),  Truck Traffic: 13%,  Average Future Daily Traffic: 10,500 (year 2020),  Design Load: HS 20,  Features Intersected: 31ST ST-ROCK ISLAND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 44.827,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.5m (64.0ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 53.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.12m (16.80ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2007,  Bridge Improvement Cost: $665,000,  Roadway Improvement Cost: $67,000,  Total Project Cost: $998,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 81006717775,  Location: .5 MI S 31ST ST R.I. (Lat: 41.479122,  Lng: -90.604828),  Route carried "on" structure: State highway 92,  Year Built: 1963,  Year Reconstructed: 2002,  Status: Open,  Structure Length: 27.55m (90.39ft),  Average Daily Traffic: 7,000 (year 2007),  Truck Traffic: 13%,  Average Future Daily Traffic: 11,400 (year 2026),  Design Load: HS 20,  Features Intersected: ROCK RIV-HEN CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 44.215,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.2m (36.7ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 8,  Number Of Approach Spans: 2,  Length of Maximum Span: 34.1m (111.9ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 11.2m (36.7ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 62.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.8 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: Equal to present desirable criteria,  Length Of Structure Improvement: 28.77m (94.39ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 12 months,  Inspection Date: April 2007,  Underwater Inspection Date: May 2007,  Bridge Improvement Cost: $2,617,000,  Roadway Improvement Cost: $262,000,  Total Project Cost: $3,926,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 81006817776,  Location: .5 MI S 31ST ST R.I. (Lat: 41.478953,  Lng: -90.604933),  Route carried "on" structure: State highway 92,  Year Built: 1963,  Year Reconstructed: 2002,  Status: Open,  Structure Length: 27.55m (90.39ft),  Average Daily Traffic: 7,000 (year 2007),  Truck Traffic: 13%,  Average Future Daily Traffic: 11,400 (year 2026),  Design Load: HS 20,  Features Intersected: ROCK RIV-HEN CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 44.199,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.2m (36.7ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 8,  Number Of Approach Spans: 2,  Length of Maximum Span: 34.1m (111.9ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 11.2m (36.7ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 62.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.8 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: Equal to present desirable criteria,  Length Of Structure Improvement: 28.77m (94.39ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 12 months,  Inspection Date: April 2007,  Underwater Inspection Date: May 2007,  Bridge Improvement Cost: $2,617,000,  Roadway Improvement Cost: $262,000,  Total Project Cost: $3,926,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 81008117794,  Location: 1 MI E OF US 67 (Lat: 41.464675,  Lng: -90.565100),  Route carried "on" structure: State highway 5,  Year Built: 1932,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 6,400 (year 2007),  Truck Traffic: 3%,  Average Future Daily Traffic: 25,500 (year 2021),  Design Load: HS 20,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.577,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 10 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 16.6m (54.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 66.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.6 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.01m (3.31ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2008,  Bridge Improvement Cost: $93,000,  Roadway Improvement Cost: $9,000,  Total Project Cost: $140,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 81008717816,  Location: .2 MI N OF ILL 5 (Lat: 41.467283,  Lng: -90.565475),  Route carried "on" structure: Other road 5810,  Year Built: 1933,  Year Reconstructed: 2005,  Status: Open,  Structure Length: 1.30m (4.27ft),  Average Daily Traffic: 7,300 (year 2006),  Truck Traffic: 3%,  Average Future Daily Traffic: 11,700 (year 2021),  Design Load: HS 20,  Features Intersected: WATERWAY,  Facility Carried by Structure: 24TH ST ROCK ISLAN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.274,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 13.3m (43.6ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.6m (41.3ft),  Curb-To-Curb Width: 14.4m (47.2ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Very good,  Channel: Very good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Superior to present desirable 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 2006,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 81008817817,  Location: .1MI N OF ILL 5 (Lat: 41.465961,  Lng: -90.565553),  Route carried "on" structure: Other road 5810,  Year Built: 1934,  Year Reconstructed: 2005,  Status: Open,  Structure Length: 1.30m (4.27ft),  Average Daily Traffic: 7,300 (year 2006),  Truck Traffic: 3%,  Average Future Daily Traffic: 11,800 (year 2021),  Design Load: HS 20,  Features Intersected: WATERWAY,  Facility Carried by Structure: 24TH ST ROCK ISLAN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.129,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.5m (31.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.6m (41.3ft),  Curb-To-Curb Width: 10.5m (34.4ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Very good,  Channel: Very good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.01m (6.59ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2006,  Bridge Improvement Cost: $160,000,  Roadway Improvement Cost: $16,000,  Total Project Cost: $240,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 81009117792,  Location: .4 MI N ANDALUSIA RD (Lat: 41.451072,  Lng: -90.620475),  Route carried "on" structure: State highway 92,  Year Built: 1960,  Status: Open,  Structure Length: 3.78m (12.40ft),  Average Daily Traffic: 8,350 (year 2007),  Truck Traffic: 13%,  Average Future Daily Traffic: 14,500 (year 2026),  Design Load: HS 20,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.885,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.1m (36.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 45.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2008,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 81009217793,  Location: .4 MI N ANDALUSIA RD (Lat: 41.450922,  Lng: -90.620475),  Route carried "on" structure: State highway 92,  Year Built: 1960,  Status: Open,  Structure Length: 3.78m (12.40ft),  Average Daily Traffic: 8,350 (year 2007),  Truck Traffic: 13%,  Average Future Daily Traffic: 14,500 (year 2026),  Design Load: HS 20,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.869,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.1m (36.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 45.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2008,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 81011818658,  Location: 4 MI E OF ANDALUSIA (Lat: 41.443669,  Lng: -90.631650),  Route carried "on" structure: State highway 92,  Year Built: 1975,  Status: Open,  Structure Length: 1.59m (5.22ft),  Average Daily Traffic: 10,700 (year 2007),  Truck Traffic: 9%,  Average Future Daily Traffic: 14,700 (year 2026),  Design Load: HS 20,  Features Intersected: WARREN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.147,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 13.5m (44.3ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 89.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 57.6 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2007,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 8120061866,  Location: 2 MI W OF US 67 (Lat: 41.443536,  Lng: -90.606050),  Route carried "on" structure: Other road 599,  Year Built: 1975,  Status: Open,  Structure Length: 1.11m (3.64ft),  Average Daily Traffic: 8,200 (year 2006),  Truck Traffic: 10%,  Average Future Daily Traffic: 11,600 (year 2021),  Design Load: HS 20,  Features Intersected: SAND CREEK,  Facility Carried by Structure: ANDALUSIA RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 41.255,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 6 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.1m (16.7ft),  Curb-To-Curb Width: 26.9m (88.3ft),  Out-to-Out Width: 27.6m (90.6ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 49.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.1 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.77m (5.81ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 2006,  Bridge Improvement Cost: $437,000,  Roadway Improvement Cost: $44,000,  Total Project Cost: $656,000,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 81201103156,  Location: .2 MI E CENTENNIAL X (Lat: 41.443733,  Lng: -90.616017),  Route carried "on" structure: Other road 599,  Year Built: 1983,  Status: Open,  Structure Length: 0.68m (2.23ft),  Average Daily Traffic: 8,400 (year 2006),  Truck Traffic: 13%,  Average Future Daily Traffic: 11,600 (year 2021),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: ANDALUSIA ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.434,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.4m (11.2ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 57.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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: December 2006
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Structure Number: 8120333559,  Location: 0.3MI W JCT US67 (Lat: 41.442975,  Lng: -90.579894),  Route carried "on" structure: Other road 599,  Year Built: 2001,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 13,400 (year 2006),  Truck Traffic: 7%,  Average Future Daily Traffic: 18,700 (year 2021),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH,  Facility Carried by Structure: ANDALUSIA RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 43.475,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.1m (39.7ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Length of Maximum Span: 3.0m (9.8ft),  Curb-To-Curb Width: 12.1m (39.7ft)

Condition: Channel: Satisfactory,  Culverts: Very good,  Operating Rating: 62.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2006
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Structure Number: 81308728066,  Location: 3 MI E OF ANDALUSIA (Lat: 41.433594,  Lng: -90.646181),  Route carried "on" structure: County highway 1203,  Year Built: 1979,  Status: Open,  Structure Length: 2.50m (8.20ft),  Average Daily Traffic: 4,100 (year 2006),  Truck Traffic: 5%,  Average Future Daily Traffic: 4,900 (year 2023),  Design Load: HS 20,  Features Intersected: TURKEY HOLLOW CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.274,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.0m (36.1ft),  Curb-To-Curb Width: 12.6m (41.3ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 51.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2007,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 81309902721,  Location: 3 MI W OF MILAN (Lat: 41.435919,  Lng: -90.631136),  Route carried "on" structure: Other road 5794,  Year Built: 1985,  Status: Open,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 500 (year 2006),  Truck Traffic: 14%,  Average Future Daily Traffic: 750 (year 2023),  Design Load: HS 20,  Features Intersected: WARREN CREEK,  Facility Carried by Structure: 85 TH AVE W
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.175,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2005,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 81630011254,  Location: 190 FT W 17TH ST-RI (Lat: 41.469653,  Lng: -90.568044),  Route carried "on" structure: City street 2130,  Year Built: 1981,  Status: Open,  Structure Length: 2.10m (6.89ft),  Average Daily Traffic: 59 (year 1996),  Average Future Daily Traffic: 60 (year 2018),  Design Load: HS 20,  Features Intersected: UNNAMED CREEK,  Facility Carried by Structure: 40TH AVE COURT
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.177,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 20.1m (65.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: November 2005,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 8163013599,  Location: N.EDGE, ROCK ISLAND (Lat: 41.512275,  Lng: -90.565411),  Route carried "on" structure: Other road 5816,  Year Built: 1976,  Year Reconstructed: 2001,  Status: Open,  Structure Length: 6.40m (21.00ft),  Average Daily Traffic: 7,700 (year 2006),  Truck Traffic: 2%,  Average Future Daily Traffic: 22,500 (year 2024),  Design Load: HS 20,  Features Intersected: BIKE PATH,LEVEE & RR,  Facility Carried by Structure: ARSENAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.788,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.6m (77.4ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.6m (5.2ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2005,  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: 81990517767,  Location: BETWEEN DAV. & R.I. (Lat: 41.511256,  Lng: -90.579581),  Route carried "on" structure: US 67,  Year Built: 1940,  Year Reconstructed: 2003,  Status: Open,  Structure Length: 117.47m (385.40ft),  Average Daily Traffic: 21,000 (year 2007),  Truck Traffic: 4%,  Average Future Daily Traffic: 20,500 (year 2022),  Design Load: HS 15,  Features Intersected: ILL 92, RR & MISS R
Minimum Vertical Clearance: 5.16m (16.93ft),  Kilometerpoint: 337.439,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 30 degrees,  Navigation Control: Yes ( Vertical Clearance: 14.9m (48.9ft), Horizontal Clearance: 157.2m (515.7ft)),  Material/Design: Steel,  Design/Construction: Arch - Thru,  Number Of Spans In Main Unit: 5,  Number Of Approach Spans: 24,  Length of Maximum Span: 164.0m (538.1ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 14.0m (45.9ft),  Out-to-Out Width: 14.7m (48.2ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Very good,  Operating Rating: 33.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: High priority of corrective action,  Waterway Adequacy: Equal to present desirable 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 2006,  Critical Feature Inspection Date: November 2006,  Underwater Inspection Date: September 2006,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 81990617768,  Location: CENTENNIAL FRWY R.I. (Lat: 41.509436,  Lng: -90.585319),  Route carried "on" structure: State highway 92,  Year Built: 1962,  Year Reconstructed: 2003,  Status: Open,  Structure Length: 4.15m (13.62ft),  Average Daily Traffic: 10,800 (year 2007),  Truck Traffic: 5%,  Average Future Daily Traffic: 14,700 (year 2021),  Design Load: HS 20,  Features Intersected: 11TH ST-ROCK ISLAND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 48.173,  Lanes on structure: 4,  Lanes under structure: 1,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.2m (59.7ft),  Skew: 12 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 18.2m (59.7ft),  Out-to-Out Width: 20.3m (66.6ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 89.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 72.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.11m (13.48ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 2007,  Bridge Improvement Cost: $426,000,  Roadway Improvement Cost: $43,000,  Total Project Cost: $639,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 81990717769,  Location: CENTENNIAL FRWY R.I. (Lat: 41.505911,  Lng: -90.589889),  Route carried "on" structure: State highway 92,  Year Built: 1962,  Year Reconstructed: 2003,  Status: Open,  Structure Length: 4.48m (14.70ft),  Average Daily Traffic: 10,800 (year 2007),  Truck Traffic: 5%,  Average Future Daily Traffic: 14,700 (year 2021),  Design Load: HS 20,  Features Intersected: 7TH ST-ROCK ISLAND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 47.642,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.6m (61.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 18.6m (61.0ft),  Out-to-Out Width: 20.5m (67.3ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Operating Rating: 87.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 52.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.48m (14.70ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: October 2007,  Bridge Improvement Cost: $427,000,  Roadway Improvement Cost: $43,000,  Total Project Cost: $641,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: DANAMCROC000057,  Location: ROCK ISLAND ARSENAL (Lat: 41.520833,  Lng: -90.544444),  Route carried "on" structure: Other road ,  Year Built: 1880,  Status: Closed,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 1 (year 2006),  Average Future Daily Traffic: 4 (year 2028),  Features Intersected: DRY LAKE BED,  Facility Carried by Structure: ABANDONED ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: Army,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Masonry,  Design/Construction: Arch - Deck,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 7.8m (25.6ft),  Curb-To-Curb Width: 6.0m (19.7ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Superstructure: Imminent failure,  Substructure: Fair,  Deck Geometry: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 2.38m (7.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Bridge Improvement Cost: $640,000,  Roadway Improvement Cost: $60,000,  Total Project Cost: $700,000 ( Estimate for 2006),  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: DAPAMCROC000003,  Location: ROCK ISLAND GOLF COURSE (Lat: 41.522600,  Lng: -90.536117),  Route carried "on" structure: Other road ,  Year Built: 1985,  Status: Open,  Structure Length: 1.72m (5.64ft),  Average Daily Traffic: 50 (year 2006),  Average Future Daily Traffic: 75 (year 2028),  Features Intersected: 5TH HOLE WATER TRAP,  Facility Carried by Structure: GOLF CART PATH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: Army,  Approaching Roadway Width: 3.0m (9.8ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.0m (55.8ft),  Curb-To-Curb Width: 3.6m (11.8ft),  Out-to-Out Width: 3.7m (12.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Structural Evaluation: High priority of corrective action,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.72m (5.64ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2006,  Bridge Improvement Cost: $3,000,  Roadway Improvement Cost: $5,000,  Total Project Cost: $8,000 ( Estimate for 2006),  Deck Structure Type: Concrete Precast Panels
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Structure Number: 8100621777,  Location: CENTENNIAL FRWY R.I. (Lat: 41.502236,  Lng: -90.592531),  Route carried "under" structure: Other road 5766,  Year Built: 1964,  Structure Length: 4.02m (13.19ft),  Average Daily Traffic: 2,050 (year 2006),  Truck Traffic: 10%,  Features Intersected: 7TH AVE-ROCK ISLAND,  Facility Carried by Structure: ILL 92
Minimum Vertical Clearance: 4.42m (14.50ft),  Kilometerpoint: 0.016,  Lanes on structure: 4,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.7m (58.1ft)

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Structure Number: 81006317771,  Location: CENTENNIAL FRWY R.I. (Lat: 41.494219,  Lng: -90.593222),  Route carried "under" structure: Other road 5771,  Year Built: 1963,  Structure Length: 3.93m (12.89ft),  Average Daily Traffic: 5,500 (year 2006),  Truck Traffic: 5%,  Features Intersected: 18TH AVE-ROCK ISLAND,  Facility Carried by Structure: ILL 92
Minimum Vertical Clearance: 4.39m (14.40ft),  Kilometerpoint: 0.037,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.0m (59.1ft)

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Structure Number: 81006517773,  Location: CENTENNIAL FRWY R.I. (Lat: 41.483428,  Lng: -90.602050),  Route carried "under" structure: City street 5500,  Year Built: 1963,  Structure Length: 4.27m (14.01ft),  Average Daily Traffic: 5,309 (year 1996),  Truck Traffic: 2%,  Features Intersected: 31ST ST-ROCK ISLAND,  Facility Carried by Structure: ILL 92 S.B.
Minimum Vertical Clearance: 4.34m (14.24ft),  Kilometerpoint: 1.271,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 19.5m (64.0ft)

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Structure Number: 81006617774,  Location: CENTENNIAL FRWY R.I. (Lat: 41.483311,  Lng: -90.601911),  Route carried "under" structure: Other road 5783,  Year Built: 1963,  Structure Length: 4.27m (14.01ft),  Average Daily Traffic: 5,900 (year 2006),  Truck Traffic: 9%,  Features Intersected: 31ST ST-ROCK ISLAND,  Facility Carried by Structure: ILL 92 N.B.
Minimum Vertical Clearance: 4.39m (14.40ft),  Kilometerpoint: 0.016,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 19.5m (64.0ft)

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Structure Number: 8101523123,  Location: IN BLACKHAWK ST. PK. (Lat: 41.465094,  Lng: -90.575339),  Route carried "under" structure: State highway 5,  Year Built: 1995,  Structure Length: 7.57m (24.84ft),  Average Daily Traffic: 8,700 (year 2007),  Truck Traffic: 5%,  Features Intersected: IL 5,  Facility Carried by Structure: PEDESTRIAN OVERPAS
Minimum Vertical Clearance: 5.46m (17.91ft),  Kilometerpoint: 0.708,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Truss - Thru,  Length of Maximum Span: 25.0m (82.0ft)

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Structure Number: 81990517767,  Location: BETWEEN DAV. & R.I. (Lat: 41.511256,  Lng: -90.579581),  Route carried "under" structure: State highway 92,  Year Built: 1940,  Structure Length: 117.47m (385.40ft),  Average Daily Traffic: 13,300 (year 2007),  Truck Traffic: 6%,  Features Intersected: ILL 92, RR & MISS R,  Facility Carried by Structure: US 67
Minimum Vertical Clearance: 6.12m (20.08ft),  Kilometerpoint: 48.688,  Lanes on structure: 4,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Arch - Thru,  Length of Maximum Span: 164.0m (538.1ft)

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Structure Number: 81990617768,  Location: CENTENNIAL FRWY R.I. (Lat: 41.509436,  Lng: -90.585319),  Route carried "under" structure: Ramp Other road 308,  Year Built: 1962,  Structure Length: 4.15m (13.62ft),  Average Daily Traffic: 850 (year 2007),  Truck Traffic: 18%,  Features Intersected: 11TH ST-ROCK ISLAND,  Facility Carried by Structure: ILL 92
Minimum Vertical Clearance: 4.65m (15.26ft),  Kilometerpoint: 0.257,  Lanes on structure: 4,  Lanes under structure: 1,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 15.5m (50.9ft)

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Structure Number: 81990717769,  Location: CENTENNIAL FRWY R.I. (Lat: 41.505911,  Lng: -90.589889),  Route carried "under" structure: Other road 5762,  Year Built: 1962,  Structure Length: 4.48m (14.70ft),  Average Daily Traffic: 1,200 (year 2006),  Truck Traffic: 29%,  Features Intersected: 7TH ST-ROCK ISLAND,  Facility Carried by Structure: ILL 92
Minimum Vertical Clearance: 4.44m (14.57ft),  Kilometerpoint: 1.448,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 18.6m (61.0ft)

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Structure Number: 81992124985,  Location: AUGUSTANA COLLEGE RI (Lat: 41.505031,  Lng: -90.547664),  Route carried "under" structure: State highway 92,  Year Built: 1975,  Structure Length: 2.99m (9.81ft),  Average Daily Traffic: 8,500 (year 2007),  Truck Traffic: 8%,  Features Intersected: ILL 92 WB-38TH ST,  Facility Carried by Structure: PEDESTRIAN OVERPAS
Minimum Vertical Clearance: 5.26m (17.26ft),  Kilometerpoint: 51.842,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Length of Maximum Span: 27.7m (90.9ft)

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