US Bridges

Wissahickon Avenue over CSX Trenton Line

Fair

Philadelphia County, Pennsylvania · .1MI.NW.HUNTING PK.3480D9 · Structure no. 000000000039039

Built
1957
68 years old
Condition
Fair
inspected July 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
16,655
2023 count
Owner
State
State Highway Agency

About this bridge

Wissahickon Avenue over CSX Trenton Line is a prestressed concrete box beam or girders - multiple carrying Wissahickon Avenue over CSX Trenton Line in Philadelphia County, Pennsylvania. It was built in 1957, so it is 68 years old, older 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 16,655 vehicles a day, roughly 6% of them trucks, projected to reach 20,838 by 2032. The structure is 60 ft (18.3 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWissahickon Avenue
CrossesCSX Trenton Line
Location.1MI.NW.HUNTING PK.3480D9
RouteState Highway 0
CountyPhiladelphia County
StatePennsylvania
Coordinates40.01107, -75.16777
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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.
Last inspectionJuly 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating54 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length60 ft (18.3 m)
Longest span59 ft (18 m)
Deck width70 ft (21.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,655 (2023)
Projected traffic20,838 by 2032
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$172,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wissahickon Avenue over CSX Trenton Line built?

It was built in 1957, making it 68 years old in 2025.

What condition is Wissahickon Avenue over CSX Trenton Line 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 July 2022.

How much traffic does Wissahickon Avenue over CSX Trenton Line carry?

About 16,655 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Wissahickon Avenue over CSX Trenton Line?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 70 ft wide.

Who owns Wissahickon Avenue over CSX Trenton Line?

It is owned by the State Highway Agency.