US Bridges

T-872 over Pa Tpk (I-76)

Fair

Westmoreland County, Pennsylvania · West of Donegal Interchge · Structure no. 000000000036855

Built
1980
45 years old
Condition
Fair
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
126 ft
1 main span
Daily traffic
200
1992 count
Owner
Toll Authority
State Toll Authority

About this bridge

T-872 over Pa Tpk (I-76) is a steel stringer/multi-beam or girder carrying T-872 over Pa Tpk (I-76) in Westmoreland County, Pennsylvania. It was built in 1980, so it is 45 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 200 vehicles a day, roughly 6% of them trucks, projected to reach 315 by 2030. The structure is 126 ft (38.4 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT-872
CrossesPa Tpk (I-76)
LocationWest of Donegal Interchge
RouteCity Street 0
Coordinates40.13833, -79.42
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating78 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span122 ft (37.2 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1992)
Projected traffic315 by 2030
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-872 over Pa Tpk (I-76) built?

It was built in 1980, making it 45 years old in 2025.

What condition is T-872 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 2022.

How much traffic does T-872 over Pa Tpk (I-76) carry?

About 200 vehicles per day (1992 count), of which roughly 6% are trucks.

How long is T-872 over Pa Tpk (I-76)?

The structure is 126 ft (38.4 m) long with a longest span of 122 ft (37.2 m) and a deck 39 ft wide.

Who owns T-872 over Pa Tpk (I-76)?

It is owned by the State Toll Authority.