US Bridges

TR 183 over South Fork Creek

Poor

Warren County, Illinois · NE-5-T10NR3W · Structure no. 094510800000000

Built
1981
44 years old
Condition
Poor
inspected January 2025
Type
Culvert
Steel
Length
34 ft
2 main spans
Daily traffic
50
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 183 over South Fork Creek is a steel culvert carrying TR 183 over South Fork Creek in Warren County, Illinois. It was built in 1981, so it is 44 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 34 ft (10.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 183
CrossesSouth Fork Creek
LocationNE-5-T10NR3W
RouteCounty Highway 0
Coordinates40.80627, -90.75122
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2016)
Projected traffic51 by 2046
Trucks0%
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 183 over South Fork Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is TR 183 over South Fork Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does TR 183 over South Fork Creek carry?

About 50 vehicles per day (2016 count).

How long is TR 183 over South Fork Creek?

The structure is 34 ft (10.5 m) long with a longest span of 14 ft (4.3 m).

Who owns TR 183 over South Fork Creek?

It is owned by the Town or Township Highway Agency.