US Bridges

Rt Aa S over Bens Br

Fair

Jasper County, Missouri · S 21 T 28 N R 32 W · Structure no. 7803

Built
1954
71 years old, rebuilt 1990
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
3,142
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa S over Bens Br is a concrete continuous culvert carrying Rt Aa S over Bens Br in Jasper County, Missouri. It was built in 1954 and reconstructed in 1990, so it is 71 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 3,142 vehicles a day, roughly 5% of them trucks, projected to reach 4,713 by 2044. The structure is 40 ft (12.1 m) long and 40 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesRt Aa S
CrossesBens Br
LocationS 21 T 28 N R 32 W
RouteState Highway 0AA
CountyJasper County
StateMissouri
Coordinates37.1362, -94.42041
Functional classUrban 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 inspectionJanuary 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length40 ft (12.1 m)
Longest span9 ft (2.7 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,142 (2024)
Projected traffic4,713 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Bens Br built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1990.

What condition is Rt Aa S over Bens Br 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 January 2024.

How much traffic does Rt Aa S over Bens Br carry?

About 3,142 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt Aa S over Bens Br?

The structure is 40 ft (12.1 m) long with a longest span of 9 ft (2.7 m) and a deck 40 ft wide.

Who owns Rt Aa S over Bens Br?

It is owned by the State Highway Agency.