US Bridges

Rt a S over Lit Wyaconda Rvr

Fair

Clark County, Missouri · S 17 T 64 N R 9 W · Structure no. 7462

Built
1950
75 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
146
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a S over Lit Wyaconda Rvr is a concrete continuous culvert carrying Rt a S over Lit Wyaconda Rvr in Clark County, Missouri. It was built in 1950, so it is 75 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 146 vehicles a day, roughly 17% of them trucks, projected to reach 212 by 2044. The structure is 25 ft (7.5 m) long and 28 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRt a S
CrossesLit Wyaconda Rvr
LocationS 17 T 64 N R 9 W
RouteState Highway 0A
Coordinates40.3543, -91.92957
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2024)
Projected traffic212 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Lit Wyaconda Rvr built?

It was built in 1950, making it 75 years old in 2025.

What condition is Rt a S over Lit Wyaconda 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 2023.

How much traffic does Rt a S over Lit Wyaconda Rvr carry?

About 146 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Rt a S over Lit Wyaconda Rvr?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Rt a S over Lit Wyaconda Rvr?

It is owned by the State Highway Agency.