US Bridges

Rt Aa S over Bens Br

Fair

Jasper County, Missouri · S 27 T 28 N R 32 W · Structure no. 7804

Built
1954
71 years old, rebuilt 1990
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
517
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 517 vehicles a day, roughly 21% of them trucks, projected to reach 776 by 2044. The structure is 20 ft (6.2 m) long and 26 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 27 T 28 N R 32 W
RouteState Highway 0AA
CountyJasper County
StateMissouri
Coordinates37.11201, -94.41313
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 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic517 (2024)
Projected traffic776 by 2044
Trucks21%
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 517 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Rt Aa S over Bens Br?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Rt Aa S over Bens Br?

It is owned by the State Highway Agency.