US Bridges

Pa Tpk (ramp Ab) over Pa Tpk (I-76)

Fair

Westmoreland County, Pennsylvania · New Stanton Interchange · Structure no. 000000000036839

Built
1997
28 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
3 main spans
Daily traffic
21,390
1993 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (ramp Ab) over Pa Tpk (I-76) is a steel stringer/multi-beam or girder carrying Pa Tpk (ramp Ab) over Pa Tpk (I-76) in Westmoreland County, Pennsylvania. It was built in 1997, so it is 28 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 6 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 21,390 vehicles a day, roughly 30% of them trucks, projected to reach 28,725 by 2030. The structure is 186 ft (56.7 m) long and 58 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPa Tpk (ramp Ab)
CrossesPa Tpk (I-76)
LocationNew Stanton Interchange
RouteInterstate 76
CountyWestmoreland County
StatePennsylvania
Coordinates40.21667, -79.58333
Functional classRural Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length186 ft (56.7 m)
Longest span106 ft (32.3 m)
Deck width58 ft (17.8 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,390 (1993)
Projected traffic28,725 by 2030
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (ramp Ab) over Pa Tpk (I-76) built?

It was built in 1997, making it 28 years old in 2025.

What condition is Pa Tpk (ramp Ab) over Pa Tpk (I-76) 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 July 2024.

How much traffic does Pa Tpk (ramp Ab) over Pa Tpk (I-76) carry?

About 21,390 vehicles per day (1993 count), of which roughly 30% are trucks.

How long is Pa Tpk (ramp Ab) over Pa Tpk (I-76)?

The structure is 186 ft (56.7 m) long with a longest span of 106 ft (32.3 m) and a deck 58 ft wide.

Who owns Pa Tpk (ramp Ab) over Pa Tpk (I-76)?

It is owned by the State Toll Authority.