US Bridges

Harp Pike over Flat Creek

Fair

Franklin County, Kentucky · 3.75 MI N of Ky 12 · Structure no. 037C00039N

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
108 ft
2 main spans
Daily traffic
178
2006 count
Owner
County
County Highway Agency

About this bridge

Harp Pike over Flat Creek is a prestressed concrete box beam or girders - multiple carrying Harp Pike over Flat Creek in Franklin County, Kentucky. It was built in 1992, so it is 33 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 178 vehicles a day, projected to reach 224 by 2026. The structure is 108 ft (32.9 m) long and 24 ft wide.

CarriesHarp Pike
CrossesFlat Creek
Location3.75 MI N of Ky 12
RouteCounty Highway 1312
Coordinates38.31722, -84.92278
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 inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating91.3 US tons
Inventory rating54.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length108 ft (32.9 m)
Longest span53 ft (16.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic178 (2006)
Projected traffic224 by 2026
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Harp Pike over Flat Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Harp Pike over Flat 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 2024.

How much traffic does Harp Pike over Flat Creek carry?

About 178 vehicles per day (2006 count).

How long is Harp Pike over Flat Creek?

The structure is 108 ft (32.9 m) long with a longest span of 53 ft (16.2 m) and a deck 24 ft wide.

Who owns Harp Pike over Flat Creek?

It is owned by the County Highway Agency.