US Bridges

Pottstown Ex (eb) over Lewis Road

Good

Montgomery County, Pennsylvania · Limerick Int. 18K3/3140C6 · Structure no. 000000000027422

Built
1976
49 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
208 ft
1 main span
Daily traffic
28,247
2024 count
Owner
State
State Highway Agency

About this bridge

Pottstown Ex (eb) over Lewis Road is a steel stringer/multi-beam or girder carrying Pottstown Ex (eb) over Lewis Road 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28,247 vehicles a day, roughly 6% of them trucks, projected to reach 32,897 by 2032. The structure is 208 ft (63.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPottstown Ex (eb)
CrossesLewis Road
LocationLimerick Int. 18K3/3140C6
RouteU.S. Route 422
CountyMontgomery County
StatePennsylvania
Coordinates40.21722, -75.54466
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length208 ft (63.4 m)
Longest span121 ft (36.9 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,247 (2024)
Projected traffic32,897 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pottstown Ex (eb) over Lewis Road built?

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

What condition is Pottstown Ex (eb) over Lewis Road 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 December 2022.

How much traffic does Pottstown Ex (eb) over Lewis Road carry?

About 28,247 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Pottstown Ex (eb) over Lewis Road?

The structure is 208 ft (63.4 m) long with a longest span of 121 ft (36.9 m) and a deck 43 ft wide.

Who owns Pottstown Ex (eb) over Lewis Road?

It is owned by the State Highway Agency.