US Bridges

WB County Line Exp over North Gulph Road

Poor

Montgomery County, Pennsylvania · Valley Forge 27J12/3366D5 · Structure no. 000000000027453

Built
1966
59 years old
Condition
Poor
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
3 main spans
Daily traffic
43,626
2024 count
Owner
State
State Highway Agency

About this bridge

WB County Line Exp over North Gulph Road is a prestressed concrete stringer/multi-beam or girder carrying WB County Line Exp over North Gulph Road in Montgomery County, Pennsylvania. It was built in 1966, so it is 59 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 43,626 vehicles a day, roughly 5% of them trucks, projected to reach 49,822 by 2032. The structure is 210 ft (64 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWB County Line Exp
CrossesNorth Gulph Road
LocationValley Forge 27J12/3366D5
RouteU.S. Route 422
Coordinates40.09723, -75.418
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating28 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length210 ft (64 m)
Longest span88 ft (26.8 m)
Deck width50 ft (15.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,626 (2024)
Projected traffic49,822 by 2032
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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$342,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was WB County Line Exp over North Gulph Road built?

It was built in 1966, making it 59 years old in 2025.

What condition is WB County Line Exp over North Gulph Road in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2022.

How much traffic does WB County Line Exp over North Gulph Road carry?

About 43,626 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is WB County Line Exp over North Gulph Road?

The structure is 210 ft (64 m) long with a longest span of 88 ft (26.8 m) and a deck 50 ft wide.

Who owns WB County Line Exp over North Gulph Road?

It is owned by the State Highway Agency.