US Bridges

Ridge Avenue over AMTRAK Main Line N-S

Poor

Philadelphia County, Pennsylvania · .1MI SE.29th St. 3590B03 · Structure no. 000000000038943

Built
1918
107 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
113 ft
3 main spans
Daily traffic
9,941
2024 count
Owner
Railroad
Railroad

About this bridge

Ridge Avenue over AMTRAK Main Line N-S is a steel stringer/multi-beam or girder carrying Ridge Avenue over AMTRAK Main Line N-S in Philadelphia County, Pennsylvania. It was built in 1918, so it is 107 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 3 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.

It carries about 9,941 vehicles a day, roughly 4% of them trucks, projected to reach 11,221 by 2032. The structure is 113 ft (34.4 m) long and 57 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRidge Avenue
CrossesAMTRAK Main Line N-S
Location.1MI SE.29th St. 3590B03
RouteState Highway 0
CountyPhiladelphia County
StatePennsylvania
Coordinates39.98581, -75.17956
Functional classUrban Collector

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span59 ft (18 m)
Deck width57 ft (17.5 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,941 (2024)
Projected traffic11,221 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

OwnerRailroad
Maintained byRailroad
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$926,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ridge Avenue over AMTRAK Main Line N-S built?

It was built in 1918, making it 107 years old in 2025.

What condition is Ridge Avenue over AMTRAK Main Line N-S 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 June 2024.

How much traffic does Ridge Avenue over AMTRAK Main Line N-S carry?

About 9,941 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Ridge Avenue over AMTRAK Main Line N-S?

The structure is 113 ft (34.4 m) long with a longest span of 59 ft (18 m) and a deck 57 ft wide.

Who owns Ridge Avenue over AMTRAK Main Line N-S?

It is owned by the Railroad.