US Bridges

TR 92 over Trib Big Muddy River

Good

Franklin County, Illinois · SE Christopher · Structure no. 028329200000000

Built
1989
36 years old
Condition
Good
inspected July 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 92 over Trib Big Muddy River is a prestressed concrete box beam or girders - multiple carrying TR 92 over Trib Big Muddy River in Franklin County, Illinois. It was built in 1989, so it is 36 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, roughly 41% of them trucks, projected to reach 51 by 2046. The structure is 31 ft (9.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 92
CrossesTrib Big Muddy River
LocationSE Christopher
RouteCounty Highway 0
Coordinates37.9434, -89.0397
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span29 ft (8.7 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic51 by 2046
Trucks41%
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 92 over Trib Big Muddy River built?

It was built in 1989, making it 36 years old in 2025.

What condition is TR 92 over Trib Big Muddy River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2022.

How much traffic does TR 92 over Trib Big Muddy River carry?

About 75 vehicles per day (2024 count), of which roughly 41% are trucks.

How long is TR 92 over Trib Big Muddy River?

The structure is 31 ft (9.6 m) long with a longest span of 29 ft (8.7 m) and a deck 24 ft wide.

Who owns TR 92 over Trib Big Muddy River?

It is owned by the Town or Township Highway Agency.