US Bridges

Pa Tpk (I-76) over Pa Tpk (ramps D & B)

Fair

Westmoreland County, Pennsylvania · Donegal Interchange · Structure no. 000000000036862

Built
2002
23 years old
Condition
Fair
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
34,700
2012 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over Pa Tpk (ramps D & B) is a steel stringer/multi-beam or girder carrying Pa Tpk (I-76) over Pa Tpk (ramps D & B) in Westmoreland County, Pennsylvania. It was built in 2002, so it is 23 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 34,700 vehicles a day, roughly 32% of them trucks, projected to reach 42,113 by 2030. The structure is 82 ft (25 m) long and 115 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesPa Tpk (ramps D & B)
LocationDonegal Interchange
RouteInterstate 76
CountyWestmoreland County
StatePennsylvania
Coordinates40.10932, -79.38136
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 48 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 rating91.1 US tons
Inventory rating54 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span77 ft (23.5 m)
Deck width115 ft (35.2 m)
Roadway width110 ft (33.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,700 (2012)
Projected traffic42,113 by 2030
Trucks32%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$324,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-76) over Pa Tpk (ramps D & B) built?

It was built in 2002, making it 23 years old in 2025.

What condition is Pa Tpk (I-76) over Pa Tpk (ramps D & B) 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 August 2022.

How much traffic does Pa Tpk (I-76) over Pa Tpk (ramps D & B) carry?

About 34,700 vehicles per day (2012 count), of which roughly 32% are trucks.

How long is Pa Tpk (I-76) over Pa Tpk (ramps D & B)?

The structure is 82 ft (25 m) long with a longest span of 77 ft (23.5 m) and a deck 115 ft wide.

Who owns Pa Tpk (I-76) over Pa Tpk (ramps D & B)?

It is owned by the State Toll Authority.