US Bridges

Harp Pike over Marshall Branch

Good

Franklin County, Kentucky · 1.15 MI N of Ky 12 · Structure no. 037C00028N

Built
1979
46 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
110
2006 count
Owner
County
County Highway Agency

About this bridge

Harp Pike over Marshall Branch is a prestressed concrete box beam or girders - multiple carrying Harp Pike over Marshall Branch in Franklin County, Kentucky. It was built in 1979, so it is 46 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, projected to reach 138 by 2026. The structure is 28 ft (8.5 m) long and 21 ft wide.

Location

Open in Google Maps
CarriesHarp Pike
CrossesMarshall Branch
Location1.15 MI N of Ky 12
RouteCounty Highway 1312
CountyFranklin County
StateKentucky
Coordinates38.28806, -84.91083
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating72.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span23 ft (7.1 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2006)
Projected traffic138 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 Marshall Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Harp Pike over Marshall Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Harp Pike over Marshall Branch carry?

About 110 vehicles per day (2006 count).

How long is Harp Pike over Marshall Branch?

The structure is 28 ft (8.5 m) long with a longest span of 23 ft (7.1 m) and a deck 21 ft wide.

Who owns Harp Pike over Marshall Branch?

It is owned by the County Highway Agency.