US Bridges

SR 3002 over Back Creek

Fair

Franklin County, Pennsylvania · .5 MI S of Williamson · Structure no. 000000000017535

Built
1973
52 years old, rebuilt 2010
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
196 ft
2 main spans
Daily traffic
994
2024 count
Owner
State
State Highway Agency

About this bridge

SR 3002 over Back Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 3002 over Back Creek in Franklin County, Pennsylvania. It was built in 1973 and reconstructed in 2010, so it is 52 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 6 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 994 vehicles a day, roughly 3% of them trucks, projected to reach 1,900 by 2032. The structure is 196 ft (59.7 m) long and 46 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 3002
CrossesBack Creek
Location.5 MI S of Williamson
RouteState Highway 0
CountyFranklin County
StatePennsylvania
Coordinates39.85088, -77.79892
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span91 ft (27.7 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic994 (2024)
Projected traffic1,900 by 2032
Trucks3%
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 SR 3002 over Back Creek built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2010.

What condition is SR 3002 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 SR 3002 over Back Creek carry?

About 994 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 3002 over Back Creek?

The structure is 196 ft (59.7 m) long with a longest span of 91 ft (27.7 m) and a deck 46 ft wide.

Who owns SR 3002 over Back Creek?

It is owned by the State Highway Agency.