US Bridges

Leatherwood Road over Marrowbone Creek

FairPosted for load

Cumberland County, Kentucky · 0.15 Mile South of KY-90 · Structure no. 029C00055N

Built
2013
12 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
206
2019 count
Owner
County
County Highway Agency

About this bridge

Leatherwood Road over Marrowbone Creek is a prestressed concrete box beam or girders - single or spread carrying Leatherwood Road over Marrowbone Creek in Cumberland County, Kentucky. It was built in 2013, so it is 12 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. Its operating status is: posted for load restriction.

It carries about 206 vehicles a day, projected to reach 206 by 2039. The structure is 53 ft (16.2 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLeatherwood Road
CrossesMarrowbone Creek
Location0.15 Mile South of KY-90
RouteCounty Highway 1329
Coordinates36.83611, -85.56472
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.1 US tons
Inventory rating54.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic206 (2019)
Projected traffic206 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Leatherwood Road over Marrowbone Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Leatherwood Road over Marrowbone 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 June 2024.

How much traffic does Leatherwood Road over Marrowbone Creek carry?

About 206 vehicles per day (2019 count).

How long is Leatherwood Road over Marrowbone Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 22 ft wide.

Who owns Leatherwood Road over Marrowbone Creek?

It is owned by the County Highway Agency.