US Bridges

Allens Lane over SEPTA Chestnut Hill W Br

Good

Philadelphia County, Pennsylvania · Chestnut Hill 3479 J01 · Structure no. 000000000067832

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
4,007
2024 count
Owner
State
State Highway Agency

About this bridge

Allens Lane over SEPTA Chestnut Hill W Br is a prestressed concrete box beam or girders - multiple carrying Allens Lane over SEPTA Chestnut Hill W Br in Philadelphia County, Pennsylvania. It was built in 2020, so it is 5 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,007 vehicles a day, roughly 3% of them trucks, projected to reach 7,760 by 2032. The structure is 55 ft (16.8 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesAllens Lane
CrossesSEPTA Chestnut Hill W Br
LocationChestnut Hill 3479 J01
RouteState Highway 0
CountyPhiladelphia County
StatePennsylvania
Coordinates40.05802, -75.19535
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span52 ft (15.8 m)
Deck width50 ft (15.2 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,007 (2024)
Projected traffic7,760 by 2032
Trucks3%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Allens Lane over SEPTA Chestnut Hill W Br built?

It was built in 2020, making it 5 years old in 2025.

What condition is Allens Lane over SEPTA Chestnut Hill W Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Allens Lane over SEPTA Chestnut Hill W Br carry?

About 4,007 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Allens Lane over SEPTA Chestnut Hill W Br?

The structure is 55 ft (16.8 m) long with a longest span of 52 ft (15.8 m) and a deck 50 ft wide.

Who owns Allens Lane over SEPTA Chestnut Hill W Br?

It is owned by the State Highway Agency.