US Bridges

County Line Expway over Schuylkill River Trail

Good

Montgomery County, Pennsylvania · W. Norriton 3366C03 · Structure no. 000000000056665

Built
2019
6 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
150,726
2024 count
Owner
State
State Highway Agency

About this bridge

County Line Expway over Schuylkill River Trail is a prestressed concrete stringer/multi-beam or girder carrying County Line Expway over Schuylkill River Trail in Montgomery County, Pennsylvania. It was built in 2019, so it is 6 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 150,726 vehicles a day, roughly 5% of them trucks, projected to reach 104,348 by 2032. The structure is 104 ft (31.7 m) long and 177 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesCounty Line Expway
CrossesSchuylkill River Trail
LocationW. Norriton 3366C03
RouteU.S. Route 422
CountyMontgomery County
StatePennsylvania
Coordinates40.11029, -75.42019
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length104 ft (31.7 m)
Longest span100 ft (30.5 m)
Deck width177 ft (53.9 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150,726 (2024)
Projected traffic104,348 by 2032
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed11.2 mi (18 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Line Expway over Schuylkill River Trail built?

It was built in 2019, making it 6 years old in 2025.

What condition is County Line Expway over Schuylkill River Trail 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 October 2022.

How much traffic does County Line Expway over Schuylkill River Trail carry?

About 150,726 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is County Line Expway over Schuylkill River Trail?

The structure is 104 ft (31.7 m) long with a longest span of 100 ft (30.5 m) and a deck 177 ft wide.

Who owns County Line Expway over Schuylkill River Trail?

It is owned by the State Highway Agency.