US Bridges

Rt B S over N Mud CR

Fair

Caldwell County, Missouri · S 35 T 56 N R 27 W · Structure no. 7935

Built
1955
70 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
126
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over N Mud CR is a concrete continuous culvert carrying Rt B S over N Mud CR in Caldwell County, Missouri. It was built in 1955, so it is 70 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 126 vehicles a day, roughly 11% of them trucks, projected to reach 164 by 2044. The structure is 23 ft (7 m) long and 33 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRt B S
CrossesN Mud CR
LocationS 35 T 56 N R 27 W
RouteState Highway 0B
Coordinates39.61487, -93.89863
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 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2024)
Projected traffic164 by 2044
Trucks11%
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 B S over N Mud CR built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rt B S over N Mud 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 December 2024.

How much traffic does Rt B S over N Mud CR carry?

About 126 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt B S over N Mud CR?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 33 ft wide.

Who owns Rt B S over N Mud CR?

It is owned by the State Highway Agency.