US Bridges

PA-995 over Back Creek

Fair

Franklin County, Pennsylvania · 1. Mi. N. of Williamson · Structure no. 000000000017452

Built
1985
40 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
253 ft
4 main spans
Daily traffic
1,201
2024 count
Owner
State
State Highway Agency

About this bridge

PA-995 over Back Creek is a prestressed concrete box beam or girders - multiple carrying PA-995 over Back Creek in Franklin County, Pennsylvania. It was built in 1985, so it is 40 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,201 vehicles a day, roughly 8% of them trucks, projected to reach 1,588 by 2032. The structure is 253 ft (77.1 m) long and 37 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesPA-995
CrossesBack Creek
Location1. Mi. N. of Williamson
RouteState Highway 995
CountyFranklin County
StatePennsylvania
Coordinates39.86631, -77.78436
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length253 ft (77.1 m)
Longest span62 ft (18.9 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,201 (2024)
Projected traffic1,588 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 PA-995 over Back Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is PA-995 over Back Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does PA-995 over Back Creek carry?

About 1,201 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is PA-995 over Back Creek?

The structure is 253 ft (77.1 m) long with a longest span of 62 ft (18.9 m) and a deck 37 ft wide.

Who owns PA-995 over Back Creek?

It is owned by the State Highway Agency.