US Bridges

TR 92 over Trib Big Muddy

Good

Franklin County, Illinois · 550N 600E · Structure no. 028330700000000

Built
1991
34 years old
Condition
Good
inspected June 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 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 is a prestressed concrete box beam or girders - multiple carrying TR 92 over Trib Big Muddy in Franklin County, Illinois. It was built in 1991, so it is 34 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 65 ft (19.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 92
CrossesTrib Big Muddy
Location550N 600E
RouteCounty Highway 0
Coordinates37.94456, -89.03969
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 length65 ft (19.9 m)
Longest span62 ft (18.9 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 closed3.1 mi (5 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 built?

It was built in 1991, making it 34 years old in 2025.

What condition is TR 92 over Trib Big Muddy 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 June 2022.

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

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

How long is TR 92 over Trib Big Muddy?

The structure is 65 ft (19.9 m) long with a longest span of 62 ft (18.9 m) and a deck 24 ft wide.

Who owns TR 92 over Trib Big Muddy?

It is owned by the Town or Township Highway Agency.