US Bridges

Rt B S over School House Br

Fair

Osage County, Missouri · S 8 T 41 N R 11 W · Structure no. 6245

Built
1950
75 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
1,743
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over School House Br is a concrete continuous culvert carrying Rt B S over School House Br in Osage County, Missouri. It was built in 1950, so it is 75 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 1,743 vehicles a day, roughly 10% of them trucks, projected to reach 2,527 by 2044. The structure is 39 ft (12 m) long and 26 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

Location

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CarriesRt B S
CrossesSchool House Br
LocationS 8 T 41 N R 11 W
RouteState Highway 0B
CountyOsage County
StateMissouri
Coordinates38.31301, -92.17061
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 inspectionFebruary 2025
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length39 ft (12 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,743 (2024)
Projected traffic2,527 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 B S over School House Br built?

It was built in 1950, making it 75 years old in 2025.

What condition is Rt B S over School House 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 February 2025.

How much traffic does Rt B S over School House Br carry?

About 1,743 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt B S over School House Br?

The structure is 39 ft (12 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Rt B S over School House Br?

It is owned by the State Highway Agency.