US Bridges

TR 7 B over Muddy Creek

Fair

Cumberland County, Illinois · 1.5 MI E of Trilla · Structure no. 018500500000000

Built
1949
76 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
150
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 7 B over Muddy Creek is a concrete culvert carrying TR 7 B over Muddy Creek in Cumberland County, Illinois. It was built in 1949, so it is 76 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.

It carries about 150 vehicles a day, roughly 9% of them trucks, projected to reach 156 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 7 B
CrossesMuddy Creek
Location1.5 MI E of Trilla
RouteCounty Highway 0
CountyCumberland County
StateIllinois
Coordinates39.37429, -88.32115
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic156 by 2046
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 7 B over Muddy Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is TR 7 B over Muddy 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 December 2023.

How much traffic does TR 7 B over Muddy Creek carry?

About 150 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is TR 7 B over Muddy Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns TR 7 B over Muddy Creek?

It is owned by the Town or Township Highway Agency.