US Bridges

TR 112A over Mud Creek

FairPosted for load

Shelby County, Illinois · 1.6 MI W of Henton · Structure no. 087330400000000

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Girder and Floorbeam System
Steel
Length
63 ft
1 main span
Daily traffic
150
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 112A over Mud Creek is a steel girder and floorbeam system carrying TR 112A over Mud Creek in Shelby County, Illinois. It was built in 1972, so it is 53 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 4% of them trucks, projected to reach 76 by 2046. The structure is 63 ft (19.2 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 112A
CrossesMud Creek
Location1.6 MI W of Henton
RouteCounty Highway 0
CountyShelby County
StateIllinois
Coordinates39.46251, -88.9366
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.5 US tons
Inventory rating10.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span62 ft (18.8 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic76 by 2046
Trucks4%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$518,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 112A over Mud Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is TR 112A over Mud 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 April 2023.

How much traffic does TR 112A over Mud Creek carry?

About 150 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is TR 112A over Mud Creek?

The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.8 m) and a deck 21 ft wide.

Who owns TR 112A over Mud Creek?

It is owned by the Town or Township Highway Agency.