US Bridges

Rt H S over Salt Rvr

Fair

Ralls County, Missouri · S 2 T 55 N R 6 W · Structure no. 8352

Built
1964
61 years old, rebuilt 2020
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
519 ft
6 main spans
Daily traffic
546
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over Salt Rvr is a steel continuous stringer/multi-beam or girder carrying Rt H S over Salt Rvr in Ralls County, Missouri. It was built in 1964 and reconstructed in 2020, so it is 61 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 546 vehicles a day, roughly 11% of them trucks, projected to reach 792 by 2044. The structure is 519 ft (158.2 m) long and 29 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesRt H S
CrossesSalt Rvr
LocationS 2 T 55 N R 6 W
RouteState Highway 0H
Coordinates39.59293, -91.534
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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 evaluation4: Meets minimum tolerable limits to be 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 alignment7: Better than present minimum criteria
Operating rating30.8 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length519 ft (158.2 m)
Longest span135 ft (41.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic546 (2024)
Projected traffic792 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Salt Rvr built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2020.

What condition is Rt H S over Salt Rvr 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 Salt Rvr carry?

About 546 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt H S over Salt Rvr?

The structure is 519 ft (158.2 m) long with a longest span of 135 ft (41.2 m) and a deck 29 ft wide.

Who owns Rt H S over Salt Rvr?

It is owned by the State Highway Agency.