US Bridges

Little Market ST over AMTRAK

Fair

Philadelphia County, Pennsylvania · 30th;MARKET ST 3590A08 · Structure no. 000000000039005

Built
1932
93 years old
Condition
Fair
inspected August 2022
Type
Girder and Floorbeam System
Steel
Length
633 ft
23 main spans
Daily traffic
21,758
2024 count
Owner
State
State Highway Agency

About this bridge

Little Market ST over AMTRAK is a steel girder and floorbeam system carrying Little Market ST over AMTRAK in Philadelphia County, Pennsylvania. It was built in 1932, so it is 93 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 21,758 vehicles a day, roughly 7% of them trucks, projected to reach 21,731 by 2032. The structure is 633 ft (192.9 m) long and 93 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLittle Market ST
CrossesAMTRAK
Location30th;MARKET ST 3590A08
RouteState Highway 0
CountyPhiladelphia County
StatePennsylvania
Coordinates39.955, -75.18333
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2022
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 geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans23
Design loadH 20
Structure length633 ft (192.9 m)
Longest span28 ft (8.5 m)
Deck width93 ft (28.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,758 (2024)
Projected traffic21,731 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$780,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Little Market ST over AMTRAK built?

It was built in 1932, making it 93 years old in 2025.

What condition is Little Market ST over AMTRAK 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 August 2022.

How much traffic does Little Market ST over AMTRAK carry?

About 21,758 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Little Market ST over AMTRAK?

The structure is 633 ft (192.9 m) long with a longest span of 28 ft (8.5 m) and a deck 93 ft wide.

Who owns Little Market ST over AMTRAK?

It is owned by the State Highway Agency.