US Bridges

Rt C S over Big Muddy CR

Good

Gentry County, Missouri · S 8 T 64 N R 30 W · Structure no. 3921

Built
1996
29 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
209 ft
4 main spans
Daily traffic
319
2024 count
Owner
State
State Highway Agency

About this bridge

Rt C S over Big Muddy CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt C S over Big Muddy CR in Gentry County, Missouri. It was built in 1996, so it is 29 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 319 vehicles a day, roughly 10% of them trucks, projected to reach 415 by 2044. The structure is 209 ft (63.7 m) long and 35 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesRt C S
CrossesBig Muddy CR
LocationS 8 T 64 N R 30 W
RouteState Highway 0C
Coordinates40.36262, -94.29094
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length209 ft (63.7 m)
Longest span52 ft (16 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic319 (2024)
Projected traffic415 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 C S over Big Muddy CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is Rt C S over Big Muddy CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Rt C S over Big Muddy CR carry?

About 319 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt C S over Big Muddy CR?

The structure is 209 ft (63.7 m) long with a longest span of 52 ft (16 m) and a deck 35 ft wide.

Who owns Rt C S over Big Muddy CR?

It is owned by the State Highway Agency.