US Bridges

Rt N S over Br Muddy CR

Fair

Dade County, Missouri · S 9 T 30 N R 28 W · Structure no. 9437

Built
1938
87 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
246
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N S over Br Muddy CR is a concrete continuous culvert carrying Rt N S over Br Muddy CR in Dade County, Missouri. It was built in 1938, so it is 87 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 246 vehicles a day, roughly 9% of them trucks, projected to reach 320 by 2044. The structure is 28 ft (8.6 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesRt N S
CrossesBr Muddy CR
LocationS 9 T 30 N R 28 W
RouteState Highway 0N
Coordinates37.34809, -94.02662
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating15.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadOther
Structure length28 ft (8.6 m)
Longest span12 ft (3.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic246 (2024)
Projected traffic320 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 N S over Br Muddy CR built?

It was built in 1938, making it 87 years old in 2025.

What condition is Rt N S over Br Muddy 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 November 2024.

How much traffic does Rt N S over Br Muddy CR carry?

About 246 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rt N S over Br Muddy CR?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Rt N S over Br Muddy CR?

It is owned by the State Highway Agency.