US Bridges

TR-486A over Trib Auxier Creek

Fair

Jefferson County, Illinois · 0.5 MI SW Belle Rive · Structure no. 041503500000000

Built
1988
37 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
75
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-486A over Trib Auxier Creek is a concrete culvert carrying TR-486A over Trib Auxier Creek in Jefferson County, Illinois. It was built in 1988, so it is 37 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 6 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 75 vehicles a day, roughly 20% of them trucks, projected to reach 76 by 2046. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR-486A
CrossesTrib Auxier Creek
Location0.5 MI SW Belle Rive
RouteCounty Highway 0
CountyJefferson County
StateIllinois
Coordinates38.22268, -88.75911
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic76 by 2046
Trucks20%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR-486A over Trib Auxier Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is TR-486A over Trib Auxier 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 December 2024.

How much traffic does TR-486A over Trib Auxier Creek carry?

About 75 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is TR-486A over Trib Auxier Creek?

The structure is 25 ft (7.5 m) long with a longest span of 10 ft (3.2 m).

Who owns TR-486A over Trib Auxier Creek?

It is owned by the Town or Township Highway Agency.