US Bridges

Rt H S over School House CR

Fair

Maries County, Missouri · S 26 T 39 N R 7 W · Structure no. 9321

Built
1937
88 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
664
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over School House CR is a concrete continuous culvert carrying Rt H S over School House CR in Maries County, Missouri. It was built in 1937, so it is 88 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 664 vehicles a day, roughly 7% of them trucks, projected to reach 930 by 2044. The structure is 24 ft (7.2 m) long and 29 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesRt H S
CrossesSchool House CR
LocationS 26 T 39 N R 7 W
RouteState Highway 0H
Coordinates38.07804, -91.65556
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 inspectionAugust 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 rating41.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length24 ft (7.2 m)
Longest span10 ft (3 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic664 (2024)
Projected traffic930 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 H S over School House CR built?

It was built in 1937, making it 88 years old in 2025.

What condition is Rt H S over School House 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 August 2024.

How much traffic does Rt H S over School House CR carry?

About 664 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt H S over School House CR?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Rt H S over School House CR?

It is owned by the State Highway Agency.