US Bridges

WB Cd to IL3SB "O1 over UPRR Access Roads UPRR

Fair

St. Clair County, Illinois · Pier G1 to Abut O-10 · Structure no. 082020100000000

Built
1971
54 years old, rebuilt 2004
Condition
Fair
inspected December 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
999 ft
10 main spans
Daily traffic
5,800
2024 count
Owner
State
State Highway Agency

About this bridge

WB Cd to IL3SB "O1 over UPRR Access Roads UPRR is a steel continuous girder and floorbeam system carrying WB Cd to IL3SB "O1 over UPRR Access Roads UPRR in St. Clair County, Illinois. It was built in 1971 and reconstructed in 2004, so it is 54 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,800 vehicles a day, roughly 16% of them trucks, projected to reach 5,353 by 2046. The structure is 999 ft (304.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWB Cd to IL3SB "O1
CrossesUPRR Access Roads UPRR
LocationPier G1 to Abut O-10
CountySt. Clair County
StateIllinois
Coordinates38.61771, -90.16821
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating32.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20 + Mod
Structure length999 ft (304.5 m)
Longest span130 ft (39.6 m)
Deck width28 ft (8.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2024)
Projected traffic5,353 by 2046
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was WB Cd to IL3SB "O1 over UPRR Access Roads UPRR built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2004.

What condition is WB Cd to IL3SB "O1 over UPRR Access Roads UPRR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does WB Cd to IL3SB "O1 over UPRR Access Roads UPRR carry?

About 5,800 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is WB Cd to IL3SB "O1 over UPRR Access Roads UPRR?

The structure is 999 ft (304.5 m) long with a longest span of 130 ft (39.6 m) and a deck 28 ft wide.

Who owns WB Cd to IL3SB "O1 over UPRR Access Roads UPRR?

It is owned by the State Highway Agency.