US Bridges

Hartley Hill RD over Dunlap Creek

Good

Fayette County, Pennsylvania · Redstone & Luzerne Twps. · Structure no. 000000000053783

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
2,687
2024 count
Owner
State
State Highway Agency

About this bridge

Hartley Hill RD over Dunlap Creek is a prestressed concrete box beam or girders - multiple carrying Hartley Hill RD over Dunlap Creek in Fayette County, Pennsylvania. It was built in 2018, so it is 7 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,687 vehicles a day, roughly 9% of them trucks, projected to reach 4,977 by 2037. The structure is 60 ft (18.3 m) long and 37 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesHartley Hill RD
CrossesDunlap Creek
LocationRedstone & Luzerne Twps.
RouteState Highway 166
Coordinates39.96029, -79.87775
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span56 ft (17.1 m)
Deck width37 ft (11.2 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,687 (2024)
Projected traffic4,977 by 2037
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hartley Hill RD over Dunlap Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Hartley Hill RD over Dunlap Creek 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 Hartley Hill RD over Dunlap Creek carry?

About 2,687 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Hartley Hill RD over Dunlap Creek?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17.1 m) and a deck 37 ft wide.

Who owns Hartley Hill RD over Dunlap Creek?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).