US Bridges

Ridge Pike over Norfolk Southern RR

Poor

Montgomery County, Pennsylvania · 3368-A4 Adc · Structure no. 000000000027911

Built
1936
89 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
36,517
2008 count
Owner
County
County Highway Agency

About this bridge

Ridge Pike over Norfolk Southern RR is a steel stringer/multi-beam or girder carrying Ridge Pike over Norfolk Southern RR in Montgomery County, Pennsylvania. It was built in 1936, so it is 89 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 36,517 vehicles a day, roughly 8% of them trucks, projected to reach 38,923 by 2018. The structure is 60 ft (18.3 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRidge Pike
CrossesNorfolk Southern RR
Location3368-A4 Adc
RouteCounty Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.10371, -75.31159
Functional classUrban Other Principal Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span54 ft (16.5 m)
Deck width54 ft (16.5 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,517 (2008)
Projected traffic38,923 by 2018
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$673,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ridge Pike over Norfolk Southern RR built?

It was built in 1936, making it 89 years old in 2025.

What condition is Ridge Pike over Norfolk Southern RR 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 July 2023.

How much traffic does Ridge Pike over Norfolk Southern RR carry?

About 36,517 vehicles per day (2008 count), of which roughly 8% are trucks.

How long is Ridge Pike over Norfolk Southern RR?

The structure is 60 ft (18.3 m) long with a longest span of 54 ft (16.5 m) and a deck 54 ft wide.

Who owns Ridge Pike over Norfolk Southern RR?

It is owned by the County Highway Agency.