US Bridges

TR-292 over Flat Creek

Fair

Fayette County, Illinois · 4 MI SE Shobonier · Structure no. 026312800000000

Built
1920
105 years old
Condition
Fair
inspected February 2025
Type
Arch - Deck
Concrete
Length
52 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-292 over Flat Creek is a concrete arch - deck carrying TR-292 over Flat Creek in Fayette County, Illinois. It was built in 1920, so it is 105 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 6 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 50 vehicles a day, roughly 14% of them trucks, projected to reach 51 by 2046. The structure is 52 ft (15.8 m) long and 15 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR-292
CrossesFlat Creek
Location4 MI SE Shobonier
RouteCounty Highway 0
Coordinates38.83022, -89.01401
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span46 ft (14 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic51 by 2046
Trucks14%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR-292 over Flat Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is TR-292 over Flat Creek 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 February 2025.

How much traffic does TR-292 over Flat Creek carry?

About 50 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is TR-292 over Flat Creek?

The structure is 52 ft (15.8 m) long with a longest span of 46 ft (14 m) and a deck 15 ft wide.

Who owns TR-292 over Flat Creek?

It is owned by the Town or Township Highway Agency.