US Bridges

Ridge Pike over Mid-County Expressway

Fair

Montgomery County, Pennsylvania · Plymouth Township 29F12 · Structure no. 000000000027482

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
261 ft
2 main spans
Daily traffic
44,817
2024 count
Owner
State
State Highway Agency

About this bridge

Ridge Pike over Mid-County Expressway is a steel continuous stringer/multi-beam or girder carrying Ridge Pike over Mid-County Expressway in Montgomery County, Pennsylvania. It was built in 1978, so it is 47 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 44,817 vehicles a day, roughly 4% of them trucks, projected to reach 39,177 by 2032. The structure is 261 ft (79.6 m) long and 93 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRidge Pike
CrossesMid-County Expressway
LocationPlymouth Township 29F12
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.09833, -75.3
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 inspectionOctober 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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span128 ft (39 m)
Deck width93 ft (28.2 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,817 (2024)
Projected traffic39,177 by 2032
Trucks4%
Lanes on structure3
Traffic directionTwo-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$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ridge Pike over Mid-County Expressway built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ridge Pike over Mid-County 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 October 2023.

How much traffic does Ridge Pike over Mid-County Expressway carry?

About 44,817 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Ridge Pike over Mid-County Expressway?

The structure is 261 ft (79.6 m) long with a longest span of 128 ft (39 m) and a deck 93 ft wide.

Who owns Ridge Pike over Mid-County Expressway?

It is owned by the State Highway Agency.