US Bridges

Rt N S over Clark CR

Good

Osage County, Missouri · S 3 T 43 N R 7 W · Structure no. 7986

Built
1958
67 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
126
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N S over Clark CR is a concrete continuous culvert carrying Rt N S over Clark CR in Osage 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 126 vehicles a day, roughly 11% of them trucks, projected to reach 183 by 2044. The structure is 25 ft (7.5 m) long and 40 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesRt N S
CrossesClark CR
LocationS 3 T 43 N R 7 W
RouteState Highway 0N
Coordinates38.51017, -91.69061
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2024)
Projected traffic183 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 N S over Clark CR built?

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

What condition is Rt N S over Clark CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Rt N S over Clark CR carry?

About 126 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt N S over Clark CR?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Rt N S over Clark CR?

It is owned by the State Highway Agency.