US Bridges

Lansdowne Avenue over SEPTA

Fair

Delaware County, Pennsylvania · S.Baltimore Ave. 35K02 · Structure no. 000000000015219

Built
1928
97 years old, rebuilt 1989
Condition
Fair
inspected May 2023
Type
Girder and Floorbeam System
Steel
Length
64 ft
1 main span
Daily traffic
20,184
2024 count
Owner
State
State Highway Agency

About this bridge

Lansdowne Avenue over SEPTA is a steel girder and floorbeam system carrying Lansdowne Avenue over SEPTA in Delaware County, Pennsylvania. It was built in 1928 and reconstructed in 1989, 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 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 20,184 vehicles a day, roughly 4% of them trucks, projected to reach 19,154 by 2032. The structure is 64 ft (19.5 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLansdowne Avenue
CrossesSEPTA
LocationS.Baltimore Ave. 35K02
RouteState Highway 0
Coordinates39.93719, -75.27209
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.
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 inspectionMay 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length64 ft (19.5 m)
Longest span62 ft (18.9 m)
Deck width46 ft (14 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,184 (2024)
Projected traffic19,154 by 2032
Trucks4%
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 byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$119,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lansdowne Avenue over SEPTA built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1989.

What condition is Lansdowne 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 May 2023.

How much traffic does Lansdowne Avenue over SEPTA carry?

About 20,184 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Lansdowne Avenue over SEPTA?

The structure is 64 ft (19.5 m) long with a longest span of 62 ft (18.9 m) and a deck 46 ft wide.

Who owns Lansdowne Avenue over SEPTA?

It is owned by the State Highway Agency.