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

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National Bridge Inventory (NBI) Statistics
Number of bridges: 14
Total length: 56 meters (184ft)
Total costs: $1,578,000
Total average daily traffic: 211,200
Total average daily truck traffic: 44,917
National Bridge Inventory (NBI) Registered Bridges for Mount Vernon

New bridges - Historical Statistics

  • 1920-1929: 1
  • 1930-1939: 0
  • 1940-1949: 0
  • 1950-1959: 3
  • 1960-1969: 6
  • 1970-1979: 0
  • 1980-1989: 3
  • 1990-1999: 1

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: 41001209655,  Location: 1.0 MI N ILL-15 INT (Lat: 38.325486,  Lng: -88.955514),  Route carried "on" structure: Interstate 57,  Year Built: 1967,  Status: Open,  Structure Length: 4.33m (14.21ft),  Average Daily Traffic: 20,650 (year 2007),  Truck Traffic: 31%,  Average Future Daily Traffic: 28,200 (year 2025),  Design Load: HS 20+Mod,  Features Intersected: L & N RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 153.933,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 17.0m (55.8ft),  Out-to-Out Width: 18.0m (59.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 52.2 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: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 41001309656,  Location: 1.0 MI N ILL-15 INT (Lat: 38.325597,  Lng: -88.955525),  Route carried "on" structure: Interstate 57,  Year Built: 1967,  Status: Open,  Structure Length: 4.33m (14.21ft),  Average Daily Traffic: 20,650 (year 2007),  Truck Traffic: 31%,  Average Future Daily Traffic: 28,200 (year 2025),  Design Load: HS 20+Mod,  Features Intersected: L & N RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 153.949,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 16.6m (54.5ft),  Out-to-Out Width: 17.7m (58.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  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: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 41002509668,  Location: I-57 INTERCHANGE (Lat: 38.312672,  Lng: -88.951692),  Route carried "on" structure: State highway 15,  Year Built: 1968,  Status: Open,  Structure Length: 10.06m (33.01ft),  Average Daily Traffic: 28,900 (year 2007),  Truck Traffic: 12%,  Average Future Daily Traffic: 40,100 (year 2025),  Design Load: HS 20,  Features Intersected: FAI-57
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 122.397,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 32 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 36.6m (120.1ft),  Curb-To-Curb Width: 20.6m (67.6ft),  Out-to-Out Width: 26.7m (87.6ft)

Condition: Deck: Satisfactory,  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: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2007,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 41002709671,  Location: 2 MI E MT VERNON (Lat: 38.318897,  Lng: -88.847864),  Route carried "on" structure: State highway 15,  Year Built: 1957,  Year Reconstructed: 2007,  Status: Open,  Structure Length: 5.12m (16.80ft),  Average Daily Traffic: 5,200 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 8,000 (year 2025),  Design Load: HS 20,  Features Intersected: SEVEN MILE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 131.648,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  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 or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Excellent,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 59.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 40.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.16m (20.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2007,  Bridge Improvement Cost: $918,000,  Roadway Improvement Cost: $92,000,  Total Project Cost: $1,378,000 ( Estimate for 2002),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 41004909707,  Location: .25 MI NE ILL-15 (Lat: 38.319661,  Lng: -88.883203),  Route carried "on" structure: Other road 8715,  Year Built: 1925,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 7,500 (year 2006),  Truck Traffic: 6%,  Average Future Daily Traffic: 11,000 (year 2025),  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.499,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Good,  Channel: Fair,  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 corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.43m (4.69ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: January 2008,  Bridge Improvement Cost: $133,000,  Roadway Improvement Cost: $13,000,  Total Project Cost: $200,000 ( Estimate for 2001),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 41009813827,  Location: 1 MI E MT VERNON (Lat: 38.332794,  Lng: -88.846972),  Route carried "on" structure: Other road 8715,  Year Built: 1986,  Status: Open,  Structure Length: 3.02m (9.91ft),  Average Daily Traffic: 3,750 (year 2006),  Truck Traffic: 4%,  Average Future Daily Traffic: 4,900 (year 2025),  Design Load: HS 20,  Features Intersected: SEVEN MILE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.103,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 55.8 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: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2007,  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: 41010130228,  Location: .2 MI NE ILL-15 (Lat: 38.318731,  Lng: -88.885286),  Route carried "on" structure: Other road 8715,  Year Built: 1995,  Status: Open,  Structure Length: 8.33m (27.33ft),  Average Daily Traffic: 7,500 (year 2006),  Truck Traffic: 6%,  Average Future Daily Traffic: 11,000 (year 2025),  Design Load: HS 20,  Features Intersected: CASEY FORK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.290,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 22.3m (73.2ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.5m (37.7ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 72.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.1 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,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2007,  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: 41200009669,  Location: MT VERNON (Lat: 38.317519,  Lng: -88.890094),  Route carried "on" structure: State highway 15,  Year Built: 1961,  Status: Open,  Structure Length: 2.07m (6.79ft),  Average Daily Traffic: 7,100 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 11,600 (year 2025),  Design Load: HS 20,  Features Intersected: CASEY FORK OVFL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 127.916,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 5.7m (18.7ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 75.6 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: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2007
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Structure Number: 41200109672,  Location: 3 MI E MT VERNON (Lat: 38.321981,  Lng: -88.837022),  Route carried "on" structure: State highway 15,  Year Built: 1958,  Status: Open,  Structure Length: 1.36m (4.46ft),  Average Daily Traffic: 5,200 (year 2007),  Truck Traffic: 7%,  Average Future Daily Traffic: 8,000 (year 2025),  Design Load: HS 20,  Features Intersected: TWO MILE CK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 132.662,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.5m (14.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 89.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 61.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2007
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Structure Number: 41200209676,  Location: MT VERNON (Lat: 38.318186,  Lng: -88.890075),  Route carried "on" structure: State highway 15,  Year Built: 1958,  Status: Open,  Structure Length: 2.23m (7.32ft),  Average Daily Traffic: 7,000 (year 2007),  Truck Traffic: 4%,  Average Future Daily Traffic: 11,900 (year 2025),  Design Load: HS 20,  Features Intersected: CASEY FORK OVFL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 127.932,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.7m (35.1ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 5.9m (19.4ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 74.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 36.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2007
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Structure Number: 4120153132,  Location: .9 MI N ILL-15 INT (Lat: 38.323986,  Lng: -88.955292),  Route carried "on" structure: Interstate 57,  Year Built: 1967,  Status: Open,  Structure Length: 0.87m (2.85ft),  Average Daily Traffic: 41,300 (year 2007),  Truck Traffic: 31%,  Average Future Daily Traffic: 56,300 (year 2025),  Design Load: HS 20,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 153.708,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.2m (13.8ft)

Condition: Channel: Satisfactory,  Culverts: 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2007
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Structure Number: 41600229448,  Location: 27TH ST MT VERNON (Lat: 38.307847,  Lng: -88.924161),  Route carried "on" structure: Other road 8729,  Year Built: 1988,  Status: Open,  Structure Length: 0.71m (2.33ft),  Average Daily Traffic: 4,000 (year 2006),  Truck Traffic: 1%,  Average Future Daily Traffic: 3,100 (year 2024),  Design Load: HS 20,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.108,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 5 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.1m (10.2ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Channel: Fair,  Culverts: Very 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: Meets minimum limits,  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,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 41002509668,  Location: I-57 INTERCHANGE (Lat: 38.312672,  Lng: -88.951692),  Route carried "under" structure: Interstate 57,  Year Built: 1968,  Structure Length: 10.06m (33.01ft),  Average Daily Traffic: 41,300 (year 2007),  Truck Traffic: 31%,  Features Intersected: FAI-57,  Facility Carried by Structure: FAP-821 (ILL-15)
Minimum Vertical Clearance: 4.95m (16.24ft),  Kilometerpoint: 152.244,  Lanes on structure: 4,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 36.6m (120.1ft)

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Structure Number: 41600003651,  Location: BROADWAY ST, MT VERN (Lat: 38.316242,  Lng: -88.912617),  Route carried "under" structure: State highway 15,  Year Built: 1980,  Structure Length: 3.66m (12.01ft),  Average Daily Traffic: 11,150 (year 2007),  Truck Traffic: 4%,  Features Intersected: FAP-821 (ILL-15),  Facility Carried by Structure: PEDESTRIAN OVERPAS
Minimum Vertical Clearance: 5.26m (17.26ft),  Kilometerpoint: 125.936,  Lanes under structure: 2,  Material/Design: Steel continuous,  Length of Maximum Span: 34.1m (111.9ft)

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