US Bridges

Rt H S over Spring Valley

Fair

Oregon County, Missouri · S 25 T 22 N R 3 W · Structure no. 9159

Built
1935
90 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
405
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over Spring Valley is a concrete continuous culvert carrying Rt H S over Spring Valley in Oregon County, Missouri. It was built in 1935, so it is 90 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 405 vehicles a day, roughly 11% of them trucks, projected to reach 567 by 2044. The structure is 21 ft (6.3 m) long and 30 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesRt H S
CrossesSpring Valley
LocationS 25 T 22 N R 3 W
RouteState Highway 0H
CountyOregon County
StateMissouri
Coordinates36.53776, -91.25281
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic405 (2024)
Projected traffic567 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Spring Valley built?

It was built in 1935, making it 90 years old in 2025.

What condition is Rt H S over Spring Valley 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 January 2024.

How much traffic does Rt H S over Spring Valley carry?

About 405 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt H S over Spring Valley?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Rt H S over Spring Valley?

It is owned by the State Highway Agency.