US Bridges

TR 232 over Mosquito Creek

Fair

Christian County, Illinois · 1 MI S. Osbernville · Structure no. 011329100000000

Built
1983
42 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
160 ft
3 main spans
Daily traffic
200
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 232 over Mosquito Creek is a prestressed concrete box beam or girders - multiple carrying TR 232 over Mosquito Creek in Christian County, Illinois. It was built in 1983, so it is 42 years old, younger 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 200 vehicles a day, roughly 30% of them trucks, projected to reach 202 by 2046. The structure is 160 ft (48.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 232
CrossesMosquito Creek
Location1 MI S. Osbernville
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.75363, -89.17867
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.
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 inspectionNovember 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span51 ft (15.5 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic202 by 2046
Trucks30%
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 232 over Mosquito Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is TR 232 over Mosquito 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 November 2023.

How much traffic does TR 232 over Mosquito Creek carry?

About 200 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is TR 232 over Mosquito Creek?

The structure is 160 ft (48.8 m) long with a longest span of 51 ft (15.5 m) and a deck 24 ft wide.

Who owns TR 232 over Mosquito Creek?

It is owned by the Town or Township Highway Agency.