US Bridges

Township Line Road over Pottstown Expressway

Fair

Montgomery County, Pennsylvania · Royersford 3140F09 · Structure no. 000000000027801

Built
1976
49 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
237 ft
4 main spans
Daily traffic
17,182
2024 count
Owner
State
State Highway Agency

About this bridge

Township Line Road over Pottstown Expressway is a prestressed concrete stringer/multi-beam or girder carrying Township Line Road over Pottstown Expressway in Montgomery County, Pennsylvania. It was built in 1976, so it is 49 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 17,182 vehicles a day, roughly 5% of them trucks, projected to reach 20,380 by 2032. The structure is 237 ft (72.2 m) long and 88 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTownship Line Road
CrossesPottstown Expressway
LocationRoyersford 3140F09
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.19538, -75.52485
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length237 ft (72.2 m)
Longest span77 ft (23.5 m)
Deck width88 ft (26.8 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,182 (2024)
Projected traffic20,380 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Township Line Road over Pottstown Expressway built?

It was built in 1976, making it 49 years old in 2025.

What condition is Township Line Road over Pottstown Expressway 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 May 2023.

How much traffic does Township Line Road over Pottstown Expressway carry?

About 17,182 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Township Line Road over Pottstown Expressway?

The structure is 237 ft (72.2 m) long with a longest span of 77 ft (23.5 m) and a deck 88 ft wide.

Who owns Township Line Road over Pottstown Expressway?

It is owned by the State Highway Agency.