US Bridges

Old Welsh Road over SEPTA

Good

Montgomery County, Pennsylvania · Willow Grove 3259-B09 · Structure no. 000000000027648

Built
1991
34 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
7,550
2024 count
Owner
State
State Highway Agency

About this bridge

Old Welsh Road over SEPTA is a prestressed concrete box beam or girders - multiple carrying Old Welsh Road over SEPTA in Montgomery County, Pennsylvania. It was built in 1991, so it is 34 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 7,550 vehicles a day, roughly 2% of them trucks, projected to reach 14,433 by 2032. The structure is 67 ft (20.4 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOld Welsh Road
CrossesSEPTA
LocationWillow Grove 3259-B09
RouteState Highway 0
Coordinates40.13608, -75.11748
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating94 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,550 (2024)
Projected traffic14,433 by 2032
Trucks2%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Welsh Road over SEPTA built?

It was built in 1991, making it 34 years old in 2025.

What condition is Old Welsh Road 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 May 2023.

How much traffic does Old Welsh Road over SEPTA carry?

About 7,550 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Old Welsh Road over SEPTA?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.

Who owns Old Welsh Road over SEPTA?

It is owned by the State Highway Agency.