US Bridges

1485 over Trib of Muddy CR

Fair

Bates County, Missouri · S 10 T 38 N R 31 W · Structure no. 25148

Built
1991
34 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

1485 over Trib of Muddy CR is a concrete continuous slab carrying 1485 over Trib of Muddy CR in Bates County, Missouri. It was built in 1991, so it is 34 years old, younger 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 26 by 2043. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries1485
CrossesTrib of Muddy CR
LocationS 10 T 38 N R 31 W
RouteCounty Highway 641
CountyBates County
StateMissouri
Coordinates38.09157, -94.32412
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating41.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic26 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 1485 over Trib of Muddy CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is 1485 over Trib of 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 December 2024.

How much traffic does 1485 over Trib of Muddy CR carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 1485 over Trib of Muddy CR?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns 1485 over Trib of Muddy CR?

It is owned by the County Highway Agency.