US Bridges

Highland RD over Pat Transit RR

Fair

Allegheny County, Pennsylvania · P50006 Highland RD-PT08 · Structure no. 000000000002539

Built
1977
48 years old, rebuilt 2022
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
10,600
2023 count
Owner
Local
Other Local Agency

About this bridge

Highland RD over Pat Transit RR is a steel stringer/multi-beam or girder carrying Highland RD over Pat Transit RR in Allegheny County, Pennsylvania. It was built in 1977 and reconstructed in 2022, so it is 48 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 10,600 vehicles a day, roughly 5% of them trucks, projected to reach 10,805 by 2043. The structure is 102 ft (31.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHighland RD
CrossesPat Transit RR
LocationP50006 Highland RD-PT08
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.3483, -80.0399
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating110.1 US tons
Inventory rating73 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span100 ft (30.5 m)
Deck width39 ft (12 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2023)
Projected traffic10,805 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$72,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Highland RD over Pat Transit RR built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2022.

What condition is Highland RD over Pat Transit RR 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 Highland RD over Pat Transit RR carry?

About 10,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Highland RD over Pat Transit RR?

The structure is 102 ft (31.1 m) long with a longest span of 100 ft (30.5 m) and a deck 39 ft wide.

Who owns Highland RD over Pat Transit RR?

It is owned by the Other Local Agency.