US Bridges

Broad Street over SEPTA

Fair

Philadelphia County, Pennsylvania · North PHILADELPHIA3590F02 · Structure no. 000000000038678

Built
1921
104 years old, rebuilt 1971
Condition
Fair
inspected July 2024
Type
Orthotropic
Steel
Length
120 ft
1 main span
Daily traffic
58,754
2024 count
Owner
State
State Highway Agency

About this bridge

Broad Street over SEPTA is a steel orthotropic carrying Broad Street over SEPTA in Philadelphia County, Pennsylvania. It was built in 1921 and reconstructed in 1971, so it is 104 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 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 58,754 vehicles a day, roughly 5% of them trucks, projected to reach 51,322 by 2032. The structure is 120 ft (36.6 m) long and 113 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBroad Street
CrossesSEPTA
LocationNorth PHILADELPHIA3590F02
RouteState Highway 611
Coordinates39.99352, -75.15455
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating27 US tons

Structure

Structure typeOrthotropic
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span106 ft (32.3 m)
Deck width113 ft (34.4 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,754 (2024)
Projected traffic51,322 by 2032
Trucks5%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Broad Street over SEPTA built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1971.

What condition is Broad Street over SEPTA 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 2024.

How much traffic does Broad Street over SEPTA carry?

About 58,754 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Broad Street over SEPTA?

The structure is 120 ft (36.6 m) long with a longest span of 106 ft (32.3 m) and a deck 113 ft wide.

Who owns Broad Street over SEPTA?

It is owned by the State Highway Agency.