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Nearby Bridges in NBI 2021: 2


IL 100/106 over ILLINOIS RIVER (Route: 100)
Num:86000100000000x
Posted for load [P]
Built: 1929, Reconstructed: 2004
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Movable - Lift [15]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 968.7 m = 3178.3 ft
Main Spans: 1 at 66.1 m = 216.9 ft
Approach Spans: 37
Skew: 0
Width, Roadway: 7 m = 23.0 ft (2 Lanes) and Out-To-Out: 7.5 m = 24.6 ft for a 12.8 m = 42.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 18.6 m = 61.0 ft
Location
Unknown [00000]: Scott County [171], Illinois [17]
Owned by State Highway Agency [01], DOT District: 6
E EDGE FLORENCE
Condition
Deck: Satisfactory [6]
Superstructure: Serious [3]
Substructure: Fair [5]
Loading
Design:
Operating: 30.1 metric ton = 33.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 18.1 metric ton = 19.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: May 2020 [0520] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 2.3 km = 1.4 mi
Traffic
ADT: 1300 (2019) and Trucks: 12%
Future ADT: 1464 (In 2032 )
ILL 100 & 106 over LITTLE BLUE CREEK (Route: 100)
Num:75200700000000x
Open: no restriction [A]
Built: 1954, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 9.8 m = 32.2 ft
Main Spans: 2 at 4.3 m = 14.1 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 0 m = 0.0 ft (2 Lanes) and Out-To-Out: 0 m = 0.0 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01980]: Pike County [149], Illinois [17]
Owned by State Highway Agency [01], DOT District: 6
W EDGE FLORENCE
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: M 18 / H 20 [4]
Operating: 32.4 metric ton = 35.6 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])
Inventory: 24.3 metric ton = 26.7 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: N/A [N]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: January 2020 [0120] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 3.2 km = 2.0 mi
Traffic
ADT: 1400 (2019) and Trucks: 11%
Future ADT: 1160 (In 2032 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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