US Bridges

Walnut Street over SEPTA

Good

Montgomery County, Pennsylvania · Jenkintown 3370J04 · Structure no. 000000000027627

Built
1997
28 years old
Condition
Good
inspected January 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
9,034
2024 count
Owner
State
State Highway Agency

About this bridge

Walnut Street over SEPTA is a prestressed concrete box beam or girders - multiple carrying Walnut Street over SEPTA in Montgomery County, Pennsylvania. It was built in 1997, so it is 28 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,034 vehicles a day, roughly 4% of them trucks, projected to reach 9,790 by 2032. The structure is 74 ft (22.6 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWalnut Street
CrossesSEPTA
LocationJenkintown 3370J04
RouteState Highway 0
Coordinates40.10031, -75.13478
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,034 (2024)
Projected traffic9,790 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 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$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Walnut Street over SEPTA built?

It was built in 1997, making it 28 years old in 2025.

What condition is Walnut Street over SEPTA 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 January 2022.

How much traffic does Walnut Street over SEPTA carry?

About 9,034 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Walnut Street over SEPTA?

The structure is 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 42 ft wide.

Who owns Walnut Street over SEPTA?

It is owned by the State Highway Agency.