US Bridges

Rt Ac E over Prairie CR

Fair

Laclede County, Missouri · S 8 T 34 N R 13 W · Structure no. 8220

Built
1961
64 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
516
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Ac E over Prairie CR is a concrete continuous culvert carrying Rt Ac E over Prairie CR in Laclede County, Missouri. It was built in 1961, so it is 64 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 516 vehicles a day, roughly 17% of them trucks, projected to reach 774 by 2044. The structure is 23 ft (6.9 m) long and 31 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesRt Ac E
CrossesPrairie CR
LocationS 8 T 34 N R 13 W
RouteState Highway 0AC
CountyLaclede County
StateMissouri
Coordinates37.66362, -92.38772
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic516 (2024)
Projected traffic774 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Ac E over Prairie CR built?

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

What condition is Rt Ac E over Prairie CR 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 August 2023.

How much traffic does Rt Ac E over Prairie CR carry?

About 516 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Rt Ac E over Prairie CR?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns Rt Ac E over Prairie CR?

It is owned by the State Highway Agency.