US Bridges

Ridge Avenue over SEPTA

Fair

Philadelphia County, Pennsylvania · Roxborough 3479G08 · Structure no. 000000000038954

Built
1928
97 years old
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Steel
Length
108 ft
2 main spans
Daily traffic
16,531
2024 count
Owner
State
State Highway Agency

About this bridge

Ridge Avenue over SEPTA is a steel girder and floorbeam system carrying Ridge Avenue over SEPTA in Philadelphia County, Pennsylvania. It was built in 1928, so it is 97 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 16,531 vehicles a day, roughly 8% of them trucks, projected to reach 20,375 by 2032. The structure is 108 ft (32.9 m) long and 63 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRidge Avenue
CrossesSEPTA
LocationRoxborough 3479G08
RouteState Highway 0
Coordinates40.01699, -75.21139
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 alignment7: Better than present minimum criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length108 ft (32.9 m)
Longest span35 ft (10.7 m)
Deck width63 ft (19.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,531 (2024)
Projected traffic20,375 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$253,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ridge Avenue over SEPTA built?

It was built in 1928, making it 97 years old in 2025.

What condition is Ridge Avenue 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 June 2024.

How much traffic does Ridge Avenue over SEPTA carry?

About 16,531 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Ridge Avenue over SEPTA?

The structure is 108 ft (32.9 m) long with a longest span of 35 ft (10.7 m) and a deck 63 ft wide.

Who owns Ridge Avenue over SEPTA?

It is owned by the State Highway Agency and maintained by the City or Municipal Highway Agency.