US Bridges

Jack Road over Back Creek

Good

Franklin County, Pennsylvania · Hamilton Township · Structure no. 000000000046789

Built
2011
14 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
127 ft
2 main spans
Daily traffic
1,652
2023 count
Owner
State
State Highway Agency

About this bridge

Jack Road over Back Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Jack Road over Back Creek in Franklin County, Pennsylvania. It was built in 2011, so it is 14 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 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 1,652 vehicles a day, roughly 5% of them trucks, projected to reach 1,803 by 2032. The structure is 127 ft (38.7 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesJack Road
CrossesBack Creek
LocationHamilton Township
RouteState Highway 0
CountyFranklin County
StatePennsylvania
Coordinates39.89315, -77.74176
Functional classUrban Collector

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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.5 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length127 ft (38.7 m)
Longest span62 ft (18.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,652 (2023)
Projected traffic1,803 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Jack Road over Back Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Jack Road over Back 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 Jack Road over Back Creek carry?

About 1,652 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Jack Road over Back Creek?

The structure is 127 ft (38.7 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.

Who owns Jack Road over Back Creek?

It is owned by the State Highway Agency.