US Bridges

Prospect Avenue over SEPTA RR Tracks

Fair

Montgomery County, Pennsylvania · 1 MI S of Main ST 3144G8 · Structure no. 000000000048736

Built
1995
30 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
2,500
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Prospect Avenue over SEPTA RR Tracks is a prestressed concrete box beam or girders - multiple carrying Prospect Avenue over SEPTA RR Tracks in Montgomery County, Pennsylvania. It was built in 1995, so it is 30 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,500 vehicles a day, roughly 4% of them trucks, projected to reach 3,132 by 2034. The structure is 64 ft (19.5 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesProspect Avenue
CrossesSEPTA RR Tracks
Location1 MI S of Main ST 3144G8
RouteCity Street 0
CountyMontgomery County
StatePennsylvania
Coordinates40.2049, -75.2736
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length64 ft (19.5 m)
Longest span64 ft (19.5 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2014)
Projected traffic3,132 by 2034
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Prospect Avenue over SEPTA RR Tracks built?

It was built in 1995, making it 30 years old in 2025.

What condition is Prospect Avenue over SEPTA RR Tracks in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Prospect Avenue over SEPTA RR Tracks carry?

About 2,500 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is Prospect Avenue over SEPTA RR Tracks?

The structure is 64 ft (19.5 m) long with a longest span of 64 ft (19.5 m) and a deck 38 ft wide.

Who owns Prospect Avenue over SEPTA RR Tracks?

It is owned by the Town or Township Highway Agency.