US Bridges

515 over Br of Muddy CR

Fair

Bates County, Missouri · S 9 T 38 N R 31 W · Structure no. 31160

Built
2005
20 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

515 over Br of Muddy CR is a concrete continuous slab carrying 515 over Br of Muddy CR in Bates County, Missouri. It was built in 2005, so it is 20 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 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 26 by 2043. The structure is 26 ft (7.9 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries515
CrossesBr of Muddy CR
LocationS 9 T 38 N R 31 W
RouteCounty Highway 546
Coordinates38.09363, -94.34245
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
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.
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 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.2 US tons
Inventory rating56.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.5 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 closed3.7 mi (6 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 515 over Br of Muddy CR built?

It was built in 2005, making it 20 years old in 2025.

What condition is 515 over Br 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 515 over Br of Muddy CR carry?

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

How long is 515 over Br of Muddy CR?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m) and a deck 23 ft wide.

Who owns 515 over Br of Muddy CR?

It is owned by the County Highway Agency.