US Bridges

Ramp B over Private Road

Poor

Montgomery County, Pennsylvania · Ramp SB 100 3138E01 · Structure no. 000000000028298

Built
1954
71 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
593 ft
8 main spans
Daily traffic
1,672
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp B over Private Road is a steel continuous stringer/multi-beam or girder carrying Ramp B over Private Road in Montgomery County, Pennsylvania. It was built in 1954, so it is 71 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 1,672 vehicles a day, roughly 7% of them trucks, projected to reach 1,665 by 2032. The structure is 593 ft (180.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRamp B
CrossesPrivate Road
LocationRamp SB 100 3138E01
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.2476, -75.66134
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8 (+1 approach)
Design loadHS 20
Structure length593 ft (180.7 m)
Longest span88 ft (26.8 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,672 (2024)
Projected traffic1,665 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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$271,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp B over Private Road built?

It was built in 1954, making it 71 years old in 2025.

What condition is Ramp B over Private Road 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 April 2023.

How much traffic does Ramp B over Private Road carry?

About 1,672 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp B over Private Road?

The structure is 593 ft (180.7 m) long with a longest span of 88 ft (26.8 m) and a deck 26 ft wide.

Who owns Ramp B over Private Road?

It is owned by the State Highway Agency.