US Bridges

Keenon RD over Carpenters Branch

Fair

Mercer County, Kentucky · 1.2 MI S JCT Ky 1160 · Structure no. 084C00038N

Built
1991
34 years old
Condition
Fair
inspected July 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

Keenon RD over Carpenters Branch is a prestressed concrete box beam or girders - multiple carrying Keenon RD over Carpenters Branch in Mercer County, Kentucky. It was built in 1991, so it is 34 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 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 73 vehicles a day, projected to reach 73 by 2042. The structure is 38 ft (11.6 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKeenon RD
CrossesCarpenters Branch
Location1.2 MI S JCT Ky 1160
RouteCounty Highway 1304
CountyMercer County
StateKentucky
Coordinates37.83889, -84.88778
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating69.6 US tons
Inventory rating41.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width16 ft (5 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Keenon RD over Carpenters Branch built?

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

What condition is Keenon RD over Carpenters Branch 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 July 2022.

How much traffic does Keenon RD over Carpenters Branch carry?

About 73 vehicles per day (2022 count).

How long is Keenon RD over Carpenters Branch?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 16 ft wide.

Who owns Keenon RD over Carpenters Branch?

It is owned by the County Highway Agency.