US Bridges

Rt O S over Br of Salt Rvr

Fair

Ralls County, Missouri · S 19 T 56 N R 4 W · Structure no. 6880

Built
1959
66 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
408
2024 count
Owner
State
State Highway Agency

About this bridge

Rt O S over Br of Salt Rvr is a concrete continuous culvert carrying Rt O S over Br of Salt Rvr in Ralls 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 408 vehicles a day, roughly 6% of them trucks, projected to reach 592 by 2044. The structure is 31 ft (9.6 m) long and 26 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesRt O S
CrossesBr of Salt Rvr
LocationS 19 T 56 N R 4 W
RouteState Highway 0O
Coordinates39.62754, -91.38207
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 inspectionNovember 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic408 (2024)
Projected traffic592 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 O S over Br of Salt Rvr built?

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

What condition is Rt O S over Br of 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 November 2024.

How much traffic does Rt O S over Br of Salt Rvr carry?

About 408 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Rt O S over Br of Salt Rvr?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Rt O S over Br of Salt Rvr?

It is owned by the State Highway Agency.