US Bridges

County RD 335 over Clark Crk

FairPosted for load

Wayne County, Missouri · S 10 T 29 N R 4 E · Structure no. 18486

Built
1945
80 years old, rebuilt 1994
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
3 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 335 over Clark Crk is a steel stringer/multi-beam or girder carrying County RD 335 over Clark Crk in Wayne County, Missouri. It was built in 1945 and reconstructed in 1994, so it is 80 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. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 50 by 2044. The structure is 46 ft (14 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 335
CrossesClark Crk
LocationS 10 T 29 N R 4 E
RouteCounty Highway 187
Coordinates37.20313, -90.60309
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating24.8 US tons
Inventory rating14.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length46 ft (14 m)
Longest span19 ft (5.8 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic50 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 335 over Clark Crk built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1994.

What condition is County RD 335 over Clark Crk 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 December 2023.

How much traffic does County RD 335 over Clark Crk carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 335 over Clark Crk?

The structure is 46 ft (14 m) long with a longest span of 19 ft (5.8 m) and a deck 12 ft wide.

Who owns County RD 335 over Clark Crk?

It is owned by the County Highway Agency.