US Bridges

Rt a S over W Fk of Cuivre Rvr

Fair

Audrain County, Missouri · S 13 T 50 N R 8 W · Structure no. 8420

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
542
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over W Fk of Cuivre Rvr is a concrete continuous culvert carrying Rt a S over W Fk of Cuivre Rvr in Audrain County, Missouri. It was built in 1965, so it is 60 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 542 vehicles a day, roughly 10% of them trucks, projected to reach 786 by 2044. The structure is 21 ft (6.5 m) long and 32 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesRt a S
CrossesW Fk of Cuivre Rvr
LocationS 13 T 50 N R 8 W
RouteState Highway 0A
Coordinates39.11534, -91.76285
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2024)
Projected traffic786 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 a S over W Fk of Cuivre Rvr built?

It was built in 1965, making it 60 years old in 2025.

What condition is Rt a S over W Fk of Cuivre 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 October 2023.

How much traffic does Rt a S over W Fk of Cuivre Rvr carry?

About 542 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt a S over W Fk of Cuivre Rvr?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Rt a S over W Fk of Cuivre Rvr?

It is owned by the State Highway Agency.