US Bridges

Leafmore RD over Back Creek

Good

Franklin County, Pennsylvania · 2 MI West of SR 995 · Structure no. 000000000069305

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
600
2024 count
Owner
County
County Highway Agency

About this bridge

Leafmore RD over Back Creek is a prestressed concrete box beam or girders - multiple carrying Leafmore RD over Back Creek in Franklin County, Pennsylvania. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, roughly 1% of them trucks, projected to reach 775 by 2024. The structure is 92 ft (28 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLeafmore RD
CrossesBack Creek
Location2 MI West of SR 995
RouteCity Street 0
Coordinates39.91935, -77.74253
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating66.5 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length92 ft (28 m)
Longest span92 ft (28 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2024)
Projected traffic775 by 2024
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Leafmore RD over Back Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Leafmore RD 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 October 2024.

How much traffic does Leafmore RD over Back Creek carry?

About 600 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Leafmore RD over Back Creek?

The structure is 92 ft (28 m) long with a longest span of 92 ft (28 m) and a deck 30 ft wide.

Who owns Leafmore RD over Back Creek?

It is owned by the County Highway Agency.