US Bridges

TR-365 over Big Muddy River

Fair

Jefferson County, Illinois · 3.5 MI NE Waltonvill · Structure no. 041362100000000

Built
1977
48 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-365 over Big Muddy River is a steel stringer/multi-beam or girder carrying TR-365 over Big Muddy River in Jefferson County, Illinois. It was built in 1977, so it is 48 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 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 100 vehicles a day, roughly 24% of them trucks, projected to reach 101 by 2046. The structure is 71 ft (21.6 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTR-365
CrossesBig Muddy River
Location3.5 MI NE Waltonvill
RouteCounty Highway 0
Coordinates38.26495, -89.00577
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating44 US tons
Inventory rating25.7 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span71 ft (21.6 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic101 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-365 over Big Muddy River built?

It was built in 1977, making it 48 years old in 2025.

What condition is TR-365 over Big Muddy River 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 May 2023.

How much traffic does TR-365 over Big Muddy River carry?

About 100 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is TR-365 over Big Muddy River?

The structure is 71 ft (21.6 m) long with a longest span of 71 ft (21.6 m) and a deck 22 ft wide.

Who owns TR-365 over Big Muddy River?

It is owned by the Town or Township Highway Agency.