US Bridges

Rt a S over Br Crooked CR

Fair

Shelby County, Missouri · S 4 T 56 N R 11 W · Structure no. 7020

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
146
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over Br Crooked CR is a concrete continuous culvert carrying Rt a S over Br Crooked CR in Shelby County, Missouri. It was built in 1958, so it is 67 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 146 vehicles a day, roughly 16% of them trucks, projected to reach 212 by 2044. The structure is 23 ft (6.9 m) long and 26 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRt a S
CrossesBr Crooked CR
LocationS 4 T 56 N R 11 W
RouteState Highway 0A
Coordinates39.67688, -92.13847
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 inspectionSeptember 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 alignment6: Equal to present minimum criteria
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length23 ft (6.9 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 traffic146 (2024)
Projected traffic212 by 2044
Trucks16%
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 a S over Br Crooked CR built?

It was built in 1958, making it 67 years old in 2025.

What condition is Rt a S over Br Crooked 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 September 2023.

How much traffic does Rt a S over Br Crooked CR carry?

About 146 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Rt a S over Br Crooked CR?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Rt a S over Br Crooked CR?

It is owned by the State Highway Agency.