US Bridges

Rt C S over Martin Br

Fair

Worth County, Missouri · S 32 T 65 N R 30 W · Structure no. 7474

Built
1951
74 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
296
2024 count
Owner
State
State Highway Agency

About this bridge

Rt C S over Martin Br is a concrete continuous culvert carrying Rt C S over Martin Br in Worth County, Missouri. It was built in 1951, so it is 74 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 296 vehicles a day, roughly 12% of them trucks, projected to reach 385 by 2044. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesRt C S
CrossesMartin Br
LocationS 32 T 65 N R 30 W
RouteState Highway 0C
CountyWorth County
StateMissouri
Coordinates40.39137, -94.2903
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic296 (2024)
Projected traffic385 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 C S over Martin Br built?

It was built in 1951, making it 74 years old in 2025.

What condition is Rt C S over Martin Br 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 Rt C S over Martin Br carry?

About 296 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt C S over Martin Br?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Rt C S over Martin Br?

It is owned by the State Highway Agency.