US Bridges

TR 140 over Coon Creek

Fair

De Witt County, Illinois · 1.5 MI E of Clinton · Structure no. 020306000000000

Built
1970
55 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
60 ft
2 main spans
Daily traffic
250
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 140 over Coon Creek is a concrete continuous slab carrying TR 140 over Coon Creek in De Witt County, Illinois. It was built in 1970, so it is 55 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 250 vehicles a day, roughly 9% of them trucks, projected to reach 253 by 2046. The structure is 60 ft (18.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 140
CrossesCoon Creek
Location1.5 MI E of Clinton
RouteCounty Highway 0
CountyDe Witt County
StateIllinois
Coordinates40.15548, -88.92685
Functional classRural Minor Collector

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 inspectionFebruary 2023
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 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 rating51.5 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length60 ft (18.4 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic253 by 2046
Trucks9%
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

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 140 over Coon Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is TR 140 over Coon 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 2023.

How much traffic does TR 140 over Coon Creek carry?

About 250 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is TR 140 over Coon Creek?

The structure is 60 ft (18.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns TR 140 over Coon Creek?

It is owned by the Town or Township Highway Agency.