US Bridges

Is 49 S over Muddy CR

Fair

Cass County, Missouri · S 4 T 44 N R 31 W · Structure no. 1239

Built
1965
60 years old, rebuilt 1969
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
38,579
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 S over Muddy CR is a concrete continuous culvert carrying Is 49 S over Muddy CR in Cass County, Missouri. It was built in 1965 and reconstructed in 1969, so it is 60 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 38,579 vehicles a day, roughly 22% of them trucks, projected to reach 67,513 by 2044. The structure is 46 ft (14 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 49 S
CrossesMuddy CR
LocationS 4 T 44 N R 31 W
RouteInterstate 49
Coordinates38.63859, -94.35583
Functional classUrban Principal Arterial - Interstate

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating84.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,579 (2024)
Projected traffic67,513 by 2044
Trucks22%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 49 S over Muddy CR built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1969.

What condition is Is 49 S over 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 2023.

How much traffic does Is 49 S over Muddy CR carry?

About 38,579 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Is 49 S over Muddy CR?

The structure is 46 ft (14 m) long with a longest span of 13 ft (4 m).

Who owns Is 49 S over Muddy CR?

It is owned by the State Highway Agency.