US Bridges

70th Street over AMTRAK (ne Corridor)

PoorPosted for load

Philadelphia County, Pennsylvania · S.Paschall Ave 3669-B3 · Structure no. 000000000039174

Built
1949
76 years old
Condition
Poor
inspected February 2023
Type
Girder and Floorbeam System
Steel
Length
101 ft
1 main span
Daily traffic
10,200
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

70th Street over AMTRAK (ne Corridor) is a steel girder and floorbeam system carrying 70th Street over AMTRAK (ne Corridor) in Philadelphia County, Pennsylvania. It was built in 1949, so it is 76 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 10,200 vehicles a day, roughly 1% of them trucks, projected to reach 13,100 by 2032. The structure is 101 ft (30.8 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries70th Street
CrossesAMTRAK (ne Corridor)
LocationS.Paschall Ave 3669-B3
RouteCity Street 0
Coordinates39.919, -75.2395
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating26 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span98 ft (29.9 m)
Deck width64 ft (19.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2012)
Projected traffic13,100 by 2032
Trucks1%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 70th Street over AMTRAK (ne Corridor) built?

It was built in 1949, making it 76 years old in 2025.

What condition is 70th Street over AMTRAK (ne Corridor) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does 70th Street over AMTRAK (ne Corridor) carry?

About 10,200 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is 70th Street over AMTRAK (ne Corridor)?

The structure is 101 ft (30.8 m) long with a longest span of 98 ft (29.9 m) and a deck 64 ft wide.

Who owns 70th Street over AMTRAK (ne Corridor)?

It is owned by the City or Municipal Highway Agency.