US Bridges

Collinsville RD over Schoenberger Ck

FairPosted for load

St. Clair County, Illinois · 0.5 M E JCT Ill 203 · Structure no. 082003100000000

Built
1947
78 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
3,150
2023 count
Owner
State
State Highway Agency

About this bridge

Collinsville RD over Schoenberger Ck is a concrete slab carrying Collinsville RD over Schoenberger Ck in St. Clair County, Illinois. It was built in 1947, so it is 78 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. Its operating status is: posted for load restriction.

It carries about 3,150 vehicles a day, roughly 13% of them trucks, projected to reach 3,636 by 2046. The structure is 32 ft (9.8 m) long and 60 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCollinsville RD
CrossesSchoenberger Ck
Location0.5 M E JCT Ill 203
CountySt. Clair County
StateIllinois
Coordinates38.64185, -90.124
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,150 (2023)
Projected traffic3,636 by 2046
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$339,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Collinsville RD over Schoenberger Ck built?

It was built in 1947, making it 78 years old in 2025.

What condition is Collinsville RD over Schoenberger Ck 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 October 2024.

How much traffic does Collinsville RD over Schoenberger Ck carry?

About 3,150 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Collinsville RD over Schoenberger Ck?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 60 ft wide.

Who owns Collinsville RD over Schoenberger Ck?

It is owned by the State Highway Agency.