US Bridges

Il 111 over Schoenberger Creek

Good

St. Clair County, Illinois · 1/2 MI N of I-64 · Structure no. 082256100000000

Built
1930
95 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
4,600
2023 count
Owner
State
State Highway Agency

About this bridge

Il 111 over Schoenberger Creek is a concrete culvert carrying Il 111 over Schoenberger Creek in St. Clair County, Illinois. It was built in 1930, so it is 95 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,600 vehicles a day, roughly 11% of them trucks, projected to reach 4,394 by 2046. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIl 111
CrossesSchoenberger Creek
Location1/2 MI N of I-64
RouteState Highway 111
Coordinates38.63237, -90.09308
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (8 m)
Longest span23 ft (7.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2023)
Projected traffic4,394 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 111 over Schoenberger Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Il 111 over Schoenberger Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Il 111 over Schoenberger Creek carry?

About 4,600 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Il 111 over Schoenberger Creek?

The structure is 26 ft (8 m) long with a longest span of 23 ft (7.1 m).

Who owns Il 111 over Schoenberger Creek?

It is owned by the State Highway Agency.