US Bridges

Rt a S over Lamine Rvr

Fair

Cooper County, Missouri · S 35 T 46 N R 19 W · Structure no. 5234

Built
1930
95 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
317 ft
1 main span
Daily traffic
349
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over Lamine Rvr is a concrete arch - deck carrying Rt a S over Lamine Rvr in Cooper County, Missouri. It was built in 1930, so it is 95 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 5 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 349 vehicles a day, roughly 11% of them trucks, projected to reach 471 by 2044. The structure is 317 ft (96.6 m) long and 23 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesRt a S
CrossesLamine Rvr
LocationS 35 T 46 N R 19 W
RouteState Highway 0A
CountyCooper County
StateMissouri
Coordinates38.70242, -92.97825
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 15
Structure length317 ft (96.6 m)
Longest span125 ft (38.1 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic349 (2024)
Projected traffic471 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Lamine Rvr built?

It was built in 1930, making it 95 years old in 2025.

What condition is Rt a S over Lamine 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 July 2023.

How much traffic does Rt a S over Lamine Rvr carry?

About 349 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt a S over Lamine Rvr?

The structure is 317 ft (96.6 m) long with a longest span of 125 ft (38.1 m) and a deck 23 ft wide.

Who owns Rt a S over Lamine Rvr?

It is owned by the State Highway Agency.