US Bridges

County RD 14-335 over Bryant CR

Fair

Douglas County, Missouri · S 15 T 25 N R 14 W · Structure no. 20348

Built
1940
85 years old, rebuilt 1971
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
44 ft
10 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 14-335 over Bryant CR is a concrete culvert carrying County RD 14-335 over Bryant CR in Douglas County, Missouri. It was built in 1940 and reconstructed in 1971, so it is 85 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 44 ft (13.4 m) long and 16 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesCounty RD 14-335
CrossesBryant CR
LocationS 15 T 25 N R 14 W
RouteCounty Highway 256
CountyDouglas County
StateMissouri
Coordinates36.85174, -92.45922
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadOther
Structure length44 ft (13.4 m)
Longest span4 ft (1.2 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 14-335 over Bryant CR built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1971.

What condition is County RD 14-335 over Bryant CR 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 February 2024.

How much traffic does County RD 14-335 over Bryant CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 14-335 over Bryant CR?

The structure is 44 ft (13.4 m) long with a longest span of 4 ft (1.2 m) and a deck 16 ft wide.

Who owns County RD 14-335 over Bryant CR?

It is owned by the County Highway Agency.