US Bridges

Greentree Road over Chartiers Creek

Fair

Allegheny County, Pennsylvania · At Intersection W/Pa 50 · Structure no. 000000000001792

Built
1960
65 years old, rebuilt 2011
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
230 ft
3 main spans
Daily traffic
20,999
2024 count
Owner
State
State Highway Agency

About this bridge

Greentree Road over Chartiers Creek is a steel continuous stringer/multi-beam or girder carrying Greentree Road over Chartiers Creek in Allegheny County, Pennsylvania. It was built in 1960 and reconstructed in 2011, so it is 65 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 20,999 vehicles a day, roughly 2% of them trucks, projected to reach 21,693 by 2032. The structure is 230 ft (70.1 m) long and 61 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesGreentree Road
CrossesChartiers Creek
LocationAt Intersection W/Pa 50
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.38715, -80.09024
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span90 ft (27.4 m)
Deck width61 ft (18.7 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,999 (2024)
Projected traffic21,693 by 2032
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$808,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Greentree Road over Chartiers Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2011.

What condition is Greentree Road over Chartiers Creek 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 May 2023.

How much traffic does Greentree Road over Chartiers Creek carry?

About 20,999 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Greentree Road over Chartiers Creek?

The structure is 230 ft (70.1 m) long with a longest span of 90 ft (27.4 m) and a deck 61 ft wide.

Who owns Greentree Road over Chartiers Creek?

It is owned by the State Highway Agency.