US Bridges

Thomas Avenue over SEPTA

Fair

Philadelphia County, Pennsylvania · S of Baltimore - 27F13 · Structure no. 000000000039153

Built
1910
115 years old
Condition
Fair
inspected March 2022
Type
Arch - Deck
Concrete
Length
100 ft
1 main span
Daily traffic
4,200
1980 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thomas Avenue over SEPTA is a concrete arch - deck carrying Thomas Avenue over SEPTA in Philadelphia County, Pennsylvania. It was built in 1910, so it is 115 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 4,200 vehicles a day, projected to reach 5,880 by 2000. The structure is 100 ft (30.5 m) long and 78 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesThomas Avenue
CrossesSEPTA
LocationS of Baltimore - 27F13
RouteCity Street 0
CountyPhiladelphia County
StatePennsylvania
Coordinates39.94638, -75.23014
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating37 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span61 ft (18.6 m)
Deck width78 ft (23.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (1980)
Projected traffic5,880 by 2000
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal 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$292,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Thomas Avenue over SEPTA built?

It was built in 1910, making it 115 years old in 2025.

What condition is Thomas 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 March 2022.

How much traffic does Thomas Avenue over SEPTA carry?

About 4,200 vehicles per day (1980 count).

How long is Thomas Avenue over SEPTA?

The structure is 100 ft (30.5 m) long with a longest span of 61 ft (18.6 m) and a deck 78 ft wide.

Who owns Thomas Avenue over SEPTA?

It is owned by the City or Municipal Highway Agency.