US Bridges

TR 181 over Mauvaise Terre Creek

Good

Morgan County, Illinois · 1 MI W Orleans · Structure no. 069501000000000

Built
1961
64 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 181 over Mauvaise Terre Creek is a concrete continuous culvert carrying TR 181 over Mauvaise Terre Creek in Morgan County, Illinois. It was built in 1961, so it is 64 years old, older 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 22 ft (6.7 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 181
CrossesMauvaise Terre Creek
Location1 MI W Orleans
RouteCounty Highway 0
Coordinates39.71689, -90.09466
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 181 over Mauvaise Terre Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is TR 181 over Mauvaise Terre 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 October 2023.

How much traffic does TR 181 over Mauvaise Terre Creek carry?

About 50 vehicles per day (2024 count).

How long is TR 181 over Mauvaise Terre Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 23 ft wide.

Who owns TR 181 over Mauvaise Terre Creek?

It is owned by the Town or Township Highway Agency.