US Bridges

TR-340 over Crooked Creek

Fair

White County, Illinois · 1.6 MI S Crossville · Structure no. 097312400000000

Built
1957
68 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
32 ft
1 main span
Daily traffic
20
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-340 over Crooked Creek is a concrete channel beam carrying TR-340 over Crooked Creek in White County, Illinois. It was built in 1957, so it is 68 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 20 vehicles a day, roughly 25% of them trucks, projected to reach 25 by 2046. The structure is 32 ft (9.8 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR-340
CrossesCrooked Creek
Location1.6 MI S Crossville
RouteCounty Highway 0
CountyWhite County
StateIllinois
Coordinates38.13892, -88.07792
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating29.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width19 ft (5.7 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic25 by 2046
Trucks25%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-340 over Crooked Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is TR-340 over Crooked 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 January 2024.

How much traffic does TR-340 over Crooked Creek carry?

About 20 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is TR-340 over Crooked Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 19 ft wide.

Who owns TR-340 over Crooked Creek?

It is owned by the Town or Township Highway Agency.