US Bridges

Rt Aa S over Wisenger Br CR

Fair

Laclede County, Missouri · S 11 T 35 N R 17 W · Structure no. 7905

Built
1955
70 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
250
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa S over Wisenger Br CR is a concrete continuous culvert carrying Rt Aa S over Wisenger Br CR in Laclede County, Missouri. It was built in 1955, so it is 70 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 250 vehicles a day, roughly 11% of them trucks, projected to reach 375 by 2044. The structure is 23 ft (7 m) long and 44 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt Aa S
CrossesWisenger Br CR
LocationS 11 T 35 N R 17 W
RouteState Highway 0AA
CountyLaclede County
StateMissouri
Coordinates37.78721, -92.76605
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 protection7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic375 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Aa S over Wisenger Br CR built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rt Aa S over Wisenger Br 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 Aa S over Wisenger Br CR carry?

About 250 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Aa S over Wisenger Br CR?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 44 ft wide.

Who owns Rt Aa S over Wisenger Br CR?

It is owned by the State Highway Agency.