US Bridges

Greentree RD over SR 0376 EB WB

Fair

Allegheny County, Pennsylvania · Greentree Exit · Structure no. 000000000000933

Built
1950
75 years old, rebuilt 1977
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
1 main span
Daily traffic
18,460
2024 count
Owner
State
State Highway Agency

About this bridge

Greentree RD over SR 0376 EB WB is a steel stringer/multi-beam or girder carrying Greentree RD over SR 0376 EB WB in Allegheny County, Pennsylvania. It was built in 1950 and reconstructed in 1977, so it is 75 years old, older 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 18,460 vehicles a day, roughly 2% of them trucks, projected to reach 21,542 by 2032. The structure is 142 ft (43.3 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesGreentree RD
CrossesSR 0376 EB WB
LocationGreentree Exit
RouteState Highway 121
CountyAllegheny County
StatePennsylvania
Coordinates40.42103, -80.04633
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span85 ft (25.9 m)
Deck width69 ft (20.9 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,460 (2024)
Projected traffic21,542 by 2032
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$686,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Greentree RD over SR 0376 EB WB built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1977.

What condition is Greentree RD over SR 0376 EB WB 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 2023.

How much traffic does Greentree RD over SR 0376 EB WB carry?

About 18,460 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Greentree RD over SR 0376 EB WB?

The structure is 142 ft (43.3 m) long with a longest span of 85 ft (25.9 m) and a deck 69 ft wide.

Who owns Greentree RD over SR 0376 EB WB?

It is owned by the State Highway Agency.