US Bridges

TR-235 over Grove Creek

Fair

Clay County, Illinois · 1.5 MI S Louisville · Structure no. 013314400000000

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
250
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-235 over Grove Creek is a concrete channel beam carrying TR-235 over Grove Creek in Clay County, Illinois. It was built in 1978, so it is 47 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 4% of them trucks, projected to reach 253 by 2046. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR-235
CrossesGrove Creek
Location1.5 MI S Louisville
RouteCounty Highway 0
CountyClay County
StateIllinois
Coordinates38.745, -88.50539
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 inspectionFebruary 2024
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 alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic253 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$135,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR-235 over Grove Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is TR-235 over Grove 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 2024.

How much traffic does TR-235 over Grove Creek carry?

About 250 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is TR-235 over Grove Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 27 ft wide.

Who owns TR-235 over Grove Creek?

It is owned by the Town or Township Highway Agency.