US Bridges

US 65 S over Muddy CR

Fair

Grundy County, Missouri · S 22 T 61 N R 24 W · Structure no. 2225

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
3 main spans
Daily traffic
3,400
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 Grundy County, Missouri. It was built in 1971, so it is 54 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 3,400 vehicles a day, roughly 16% of them trucks, projected to reach 4,420 by 2044. The structure is 260 ft (79.2 m) long and 63 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesUS 65 S
CrossesMuddy CR
LocationS 22 T 61 N R 24 W
RouteU.S. Route 65
CountyGrundy County
StateMissouri
Coordinates40.07085, -93.58871
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating40.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length260 ft (79.2 m)
Longest span94 ft (28.7 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2024)
Projected traffic4,420 by 2044
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes

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 1971, making it 54 years old in 2025.

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 October 2023.

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

About 3,400 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is US 65 S over Muddy CR?

The structure is 260 ft (79.2 m) long with a longest span of 94 ft (28.7 m) and a deck 63 ft wide.

Who owns US 65 S over Muddy CR?

It is owned by the State Highway Agency.