US Bridges

Highland Park Brg over NS RR Allegh R Avr RR

Fair

Allegheny County, Pennsylvania · Highland Park Bridge · Structure no. 000000000001380

Built
1940
85 years old, rebuilt 1988
Condition
Fair
inspected October 2022
Type
Truss - Deck
Steel Continuous
Length
2,306 ft
7 main spans
Daily traffic
49,653
2024 count
Owner
State
State Highway Agency

About this bridge

Highland Park Brg over NS RR Allegh R Avr RR is a steel continuous truss - deck carrying Highland Park Brg over NS RR Allegh R Avr RR in Allegheny County, Pennsylvania. It was built in 1940 and reconstructed in 1988, so it is 85 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 5 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 49,653 vehicles a day, roughly 7% of them trucks, projected to reach 50,540 by 2032. The structure is 2,306 ft (702.9 m) long and 64 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesHighland Park Brg
CrossesNS RR Allegh R Avr RR
LocationHighland Park Bridge
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.48608, -79.91344
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating49.1 US tons
Inventory rating26 US tons

Structure

Structure typeTruss - Deck
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+6 approach)
Design loadHS 20
Structure length2,306 ft (702.9 m)
Longest span278 ft (84.7 m)
Deck width64 ft (19.5 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic49,653 (2024)
Projected traffic50,540 by 2032
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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$2.2 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Highland Park Brg over NS RR Allegh R Avr RR built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1988.

What condition is Highland Park Brg over NS RR Allegh R Avr 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 October 2022.

How much traffic does Highland Park Brg over NS RR Allegh R Avr RR carry?

About 49,653 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Highland Park Brg over NS RR Allegh R Avr RR?

The structure is 2,306 ft (702.9 m) long with a longest span of 278 ft (84.7 m) and a deck 64 ft wide.

Who owns Highland Park Brg over NS RR Allegh R Avr RR?

It is owned by the State Highway Agency.