US Bridges

Rt Hh S over Spring CR

Fair

Dent County, Missouri · S 36 T 34 N R 6 W · Structure no. 7091

Built
1959
66 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
1,020
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Hh S over Spring CR is a concrete continuous culvert carrying Rt Hh S over Spring CR in Dent County, Missouri. It was built in 1959, so it is 66 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 1,020 vehicles a day, roughly 15% of them trucks, projected to reach 1,428 by 2044. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Hh S
CrossesSpring CR
LocationS 36 T 34 N R 6 W
RouteState Highway 0HH
Coordinates37.60948, -91.54401
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 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 rating43.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,020 (2024)
Projected traffic1,428 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Hh S over Spring CR built?

It was built in 1959, making it 66 years old in 2025.

What condition is Rt Hh S over Spring 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 January 2024.

How much traffic does Rt Hh S over Spring CR carry?

About 1,020 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Rt Hh S over Spring CR?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns Rt Hh S over Spring CR?

It is owned by the State Highway Agency.