US Bridges

Rt W S over Schlanker Br

Fair

Warren County, Missouri · S 7 T 47 N R 2 W · Structure no. 7870

Built
1955
70 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
1,548
2024 count
Owner
State
State Highway Agency

About this bridge

Rt W S over Schlanker Br is a concrete continuous culvert carrying Rt W S over Schlanker Br in Warren 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 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 1,548 vehicles a day, roughly 18% of them trucks, projected to reach 3,096 by 2044. The structure is 32 ft (9.7 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRt W S
CrossesSchlanker Br
LocationS 7 T 47 N R 2 W
RouteState Highway 0W
Coordinates38.85191, -91.18157
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,548 (2024)
Projected traffic3,096 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 W S over Schlanker Br built?

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

What condition is Rt W S over Schlanker 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 2024.

How much traffic does Rt W S over Schlanker Br carry?

About 1,548 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rt W S over Schlanker Br?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Rt W S over Schlanker Br?

It is owned by the State Highway Agency.