US Bridges

Rt K S over Benton Br

Fair

Dallas County, Missouri · S 11 T 34 N R 19 W · Structure no. 7848

Built
1955
70 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
675
2024 count
Owner
State
State Highway Agency

About this bridge

Rt K S over Benton Br is a concrete continuous culvert carrying Rt K S over Benton Br in Dallas 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 5 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 675 vehicles a day, roughly 8% of them trucks, projected to reach 979 by 2044. The structure is 31 ft (9.5 m) long and 26 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt K S
CrossesBenton Br
LocationS 11 T 34 N R 19 W
RouteState Highway 0K
Coordinates37.67642, -92.98236
Functional classRural Minor 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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length31 ft (9.5 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 traffic675 (2024)
Projected traffic979 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 K S over Benton Br built?

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

What condition is Rt K S over Benton 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 November 2023.

How much traffic does Rt K S over Benton Br carry?

About 675 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt K S over Benton Br?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Rt K S over Benton Br?

It is owned by the State Highway Agency.