US Bridges

TR 8A over Branch of Mud Creek

Good

Washington County, Illinois · 2.5 MI NE of Tilden · Structure no. 095315700000000

Built
1982
43 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 8A over Branch of Mud Creek is a concrete continuous culvert carrying TR 8A over Branch of Mud Creek in Washington County, Illinois. It was built in 1982, so it is 43 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 25 vehicles a day, roughly 16% of them trucks, projected to reach 30 by 2046. The structure is 27 ft (8.2 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesTR 8A
CrossesBranch of Mud Creek
Location2.5 MI NE of Tilden
RouteCounty Highway 0
Coordinates38.25987, -89.67776
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic30 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 8A over Branch of Mud Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is TR 8A over Branch of Mud Creek 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 2024.

How much traffic does TR 8A over Branch of Mud Creek carry?

About 25 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is TR 8A over Branch of Mud Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 26 ft wide.

Who owns TR 8A over Branch of Mud Creek?

It is owned by the Town or Township Highway Agency.