US Bridges

University Avenue over Schuylkill Riv; I-76 WB

Fair

Philadelphia County, Pennsylvania · University Ave. 3589J10 · Structure no. 000000000038906

Built
1929
96 years old, rebuilt 1985
Condition
Fair
inspected March 2023
Type
Movable - Bascule
Steel
Length
546 ft
1 main span
Daily traffic
26,627
2023 count
Owner
State
State Highway Agency

About this bridge

University Avenue over Schuylkill Riv; I-76 WB is a steel movable - bascule carrying University Avenue over Schuylkill Riv; I-76 WB in Philadelphia County, Pennsylvania. It was built in 1929 and reconstructed in 1985, so it is 96 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 26,627 vehicles a day, roughly 3% of them trucks, projected to reach 33,533 by 2032. The structure is 546 ft (166.4 m) long and 73 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUniversity Avenue
CrossesSchuylkill Riv; I-76 WB
LocationUniversity Ave. 3589J10
RouteState Highway 0
Coordinates39.94321, -75.19655
Functional classUrban Other Principal 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckOpen grating
Main spans1 (+4 approach)
Design loadH 20
Structure length546 ft (166.4 m)
Longest span143 ft (43.6 m)
Deck width73 ft (22.3 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,627 (2023)
Projected traffic33,533 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$577,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was University Avenue over Schuylkill Riv; I-76 WB built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1985.

What condition is University Avenue over Schuylkill Riv; I-76 WB 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 March 2023.

How much traffic does University Avenue over Schuylkill Riv; I-76 WB carry?

About 26,627 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is University Avenue over Schuylkill Riv; I-76 WB?

The structure is 546 ft (166.4 m) long with a longest span of 143 ft (43.6 m) and a deck 73 ft wide.

Who owns University Avenue over Schuylkill Riv; I-76 WB?

It is owned by the State Highway Agency.