US Bridges

Rt N S over Salt Rvr

Fair

Shelby County, Missouri · S 4 T 57 N R 11 W · Structure no. 8067

Built
1960
65 years old, rebuilt 2016
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
196 ft
3 main spans
Daily traffic
245
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N S over Salt Rvr is a steel continuous stringer/multi-beam or girder carrying Rt N S over Salt Rvr in Shelby County, Missouri. It was built in 1960 and reconstructed in 2016, so it is 65 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 245 vehicles a day, roughly 10% of them trucks, projected to reach 355 by 2044. The structure is 196 ft (59.7 m) long and 22 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesRt N S
CrossesSalt Rvr
LocationS 4 T 57 N R 11 W
RouteState Highway 0N
Coordinates39.76997, -92.14593
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length196 ft (59.7 m)
Longest span80 ft (24.4 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic245 (2024)
Projected traffic355 by 2044
Trucks10%
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 N S over Salt Rvr built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2016.

What condition is Rt N 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 September 2023.

How much traffic does Rt N S over Salt Rvr carry?

About 245 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt N S over Salt Rvr?

The structure is 196 ft (59.7 m) long with a longest span of 80 ft (24.4 m) and a deck 22 ft wide.

Who owns Rt N S over Salt Rvr?

It is owned by the State Highway Agency.