US Bridges

County RD 336 over Creek

PoorPosted for load

Wayne County, Missouri · S 9 T 29 N R 4 E · Structure no. 18463

Built
1945
80 years old
Condition
Poor
inspected December 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 336 over Creek is a concrete culvert carrying County RD 336 over Creek in Wayne County, Missouri. It was built in 1945, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2044. The structure is 24 ft (7.3 m) long and 15 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 336
CrossesCreek
LocationS 9 T 29 N R 4 E
RouteCounty Highway 186
Coordinates37.20653, -90.6092
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, 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 evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating7.9 US tons
Inventory rating4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length24 ft (7.3 m)
Longest span10 ft (3.2 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic75 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 336 over Creek built?

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

What condition is County RD 336 over Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does County RD 336 over Creek carry?

About 60 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is County RD 336 over Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3.2 m) and a deck 15 ft wide.

Who owns County RD 336 over Creek?

It is owned by the County Highway Agency.