US Bridges

Valley Forge Road over County Line Expressway

Good

Montgomery County, Pennsylvania · 422 Interchange 3366C04 · Structure no. 000000000054599

Built
2017
8 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
212 ft
2 main spans
Daily traffic
17,059
2024 count
Owner
State
State Highway Agency

About this bridge

Valley Forge Road over County Line Expressway is a prestressed concrete continuous stringer/multi-beam or girder carrying Valley Forge Road over County Line Expressway in Montgomery County, Pennsylvania. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,059 vehicles a day, roughly 5% of them trucks, projected to reach 26,202 by 2032. The structure is 212 ft (64.6 m) long and 87 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesValley Forge Road
CrossesCounty Line Expressway
Location422 Interchange 3366C04
RouteState Highway 23
CountyMontgomery County
StatePennsylvania
Coordinates40.10114, -75.41881
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length212 ft (64.6 m)
Longest span110 ft (33.5 m)
Deck width87 ft (26.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,059 (2024)
Projected traffic26,202 by 2032
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Valley Forge Road over County Line Expressway built?

It was built in 2017, making it 8 years old in 2025.

What condition is Valley Forge Road over County Line Expressway 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 August 2024.

How much traffic does Valley Forge Road over County Line Expressway carry?

About 17,059 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Valley Forge Road over County Line Expressway?

The structure is 212 ft (64.6 m) long with a longest span of 110 ft (33.5 m) and a deck 87 ft wide.

Who owns Valley Forge Road over County Line Expressway?

It is owned by the State Highway Agency.