US Bridges

Harp Pike over Marshall Branch

Poor

Franklin County, Kentucky · 3.0 MI N of Ky 12 · Structure no. 037C00036N

Built
1986
39 years old
Condition
Poor
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
249
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 1986, so it is 39 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 249 vehicles a day, projected to reach 313 by 2026. The structure is 38 ft (11.6 m) long and 21 ft wide.

Location

Open in Google Maps
CarriesHarp Pike
CrossesMarshall Branch
Location3.0 MI N of Ky 12
RouteCounty Highway 1312
CountyFranklin County
StateKentucky
Coordinates38.30889, -84.92639
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be 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 rating72 US tons
Inventory rating43.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic249 (2006)
Projected traffic313 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 1986, making it 39 years old in 2025.

What condition is Harp Pike over Marshall Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Harp Pike over Marshall Branch carry?

About 249 vehicles per day (2006 count).

How long is Harp Pike over Marshall Branch?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 21 ft wide.

Who owns Harp Pike over Marshall Branch?

It is owned by the County Highway Agency.