US Bridges

Seventeenth Street over SEPTA

Fair

Philadelphia County, Pennsylvania · At Indiana Avenue 3590E1 · Structure no. 000000000039110

Built
1988
37 years old
Condition
Fair
inspected February 2023
Type
Girder and Floorbeam System
Steel
Length
139 ft
1 main span
Daily traffic
9,700
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Seventeenth Street over SEPTA is a steel girder and floorbeam system carrying Seventeenth Street over SEPTA in Philadelphia County, Pennsylvania. It was built in 1988, so it is 37 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 9,700 vehicles a day, roughly 5% of them trucks, projected to reach 12,400 by 2038. The structure is 139 ft (42.4 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSeventeenth Street
CrossesSEPTA
LocationAt Indiana Avenue 3590E1
RouteCity Street 0
Coordinates39.99906, -75.15858
Functional classUrban 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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating98 US tons
Inventory rating58 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span135 ft (41.1 m)
Deck width68 ft (20.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,700 (2018)
Projected traffic12,400 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Seventeenth Street over SEPTA built?

It was built in 1988, making it 37 years old in 2025.

What condition is Seventeenth 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 February 2023.

How much traffic does Seventeenth Street over SEPTA carry?

About 9,700 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Seventeenth Street over SEPTA?

The structure is 139 ft (42.4 m) long with a longest span of 135 ft (41.1 m) and a deck 68 ft wide.

Who owns Seventeenth Street over SEPTA?

It is owned by the City or Municipal Highway Agency.