US Bridges

Carson Bridge RD over Little Muddy Creek

Fair

Butler County, Kentucky · 2 MI W of JCT US 231 · Structure no. 016C00038N

Built
1989
36 years old, rebuilt 2001
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
27
2023 count
Owner
County
County Highway Agency

About this bridge

Carson Bridge RD over Little Muddy Creek is a steel stringer/multi-beam or girder carrying Carson Bridge RD over Little Muddy Creek in Butler County, Kentucky. It was built in 1989 and reconstructed in 2001, so it is 36 years old, younger than the Kentucky average of 46.6 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 27 vehicles a day, projected to reach 27 by 2043. The structure is 40 ft (12.2 m) long and 20 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

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CarriesCarson Bridge RD
CrossesLittle Muddy Creek
Location2 MI W of JCT US 231
RouteCounty Highway 1171
CountyButler County
StateKentucky
Coordinates37.13556, -86.68694
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64 US tons
Inventory rating38.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2023)
Projected traffic27 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Carson Bridge RD over Little Muddy Creek built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2001.

What condition is Carson Bridge RD over Little Muddy Creek 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 May 2023.

How much traffic does Carson Bridge RD over Little Muddy Creek carry?

About 27 vehicles per day (2023 count).

How long is Carson Bridge RD over Little Muddy Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 20 ft wide.

Who owns Carson Bridge RD over Little Muddy Creek?

It is owned by the County Highway Agency.