US Bridges

US 65 S over Muddy CR

Fair

Pettis County, Missouri · S 33 T 47 N R 21 W · Structure no. 798

Built
1964
61 years old, rebuilt 2017
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
375 ft
3 main spans
Daily traffic
4,743
2024 count
Owner
State
State Highway Agency

About this bridge

US 65 S over Muddy CR is a steel continuous stringer/multi-beam or girder carrying US 65 S over Muddy CR in Pettis County, Missouri. It was built in 1964 and reconstructed in 2017, so it is 61 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 4,743 vehicles a day, roughly 13% of them trucks, projected to reach 8,300 by 2044. The structure is 375 ft (114.3 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 65 S
CrossesMuddy CR
LocationS 33 T 47 N R 21 W
RouteU.S. Route 65
Coordinates38.80301, -93.2259
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20 + Mod
Structure length375 ft (114.3 m)
Longest span92 ft (28 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,743 (2024)
Projected traffic8,300 by 2044
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 US 65 S over Muddy CR built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2017.

What condition is US 65 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 January 2025.

How much traffic does US 65 S over Muddy CR carry?

About 4,743 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is US 65 S over Muddy CR?

The structure is 375 ft (114.3 m) long with a longest span of 92 ft (28 m) and a deck 33 ft wide.

Who owns US 65 S over Muddy CR?

It is owned by the State Highway Agency.