US Bridges

Forest BLVD(FAU915 over Schoenberger Cr.

Poor

St. Clair County, Illinois · Forest Blvd Wash Pk · Structure no. 082995100000000

Built
1949
76 years old
Condition
Poor
inspected August 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
775
2023 count
Owner
State
State Highway Agency

About this bridge

Forest BLVD(FAU915 over Schoenberger Cr. is a concrete tee beam carrying Forest BLVD(FAU915 over Schoenberger Cr. in St. Clair County, Illinois. It was built in 1949, so it is 76 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 775 vehicles a day, roughly 13% of them trucks, projected to reach 960 by 2046. The structure is 28 ft (8.5 m) long and 73 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesForest BLVD(FAU915
CrossesSchoenberger Cr.
LocationForest Blvd Wash Pk
CountySt. Clair County
StateIllinois
Coordinates38.63683, -90.09961
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width73 ft (22.4 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2023)
Projected traffic960 by 2046
Trucks13%
Lanes on structure4
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 Forest BLVD(FAU915 over Schoenberger Cr. built?

It was built in 1949, making it 76 years old in 2025.

What condition is Forest BLVD(FAU915 over Schoenberger Cr. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Forest BLVD(FAU915 over Schoenberger Cr. carry?

About 775 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Forest BLVD(FAU915 over Schoenberger Cr.?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 73 ft wide.

Who owns Forest BLVD(FAU915 over Schoenberger Cr.?

It is owned by the State Highway Agency.