US Bridges

Crosstown Bl over Fifth Ave

Fair

Allegheny County, Pennsylvania · I579 Nb.Over 5th Avenue · Structure no. 000000000001234

Built
1962
63 years old, rebuilt 1989
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
2 main spans
Daily traffic
35,432
2024 count
Owner
State
State Highway Agency

About this bridge

Crosstown Bl over Fifth Ave is a steel stringer/multi-beam or girder carrying Crosstown Bl over Fifth Ave in Allegheny County, Pennsylvania. It was built in 1962 and reconstructed in 1989, so it is 63 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 35,432 vehicles a day, roughly 5% of them trucks, projected to reach 30,463 by 2032. The structure is 142 ft (43.3 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesCrosstown Bl
CrossesFifth Ave
LocationI579 Nb.Over 5th Avenue
RouteInterstate 579
CountyAllegheny County
StatePennsylvania
Coordinates40.43902, -79.99366
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span77 ft (23.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,432 (2024)
Projected traffic30,463 by 2032
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$218,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Crosstown Bl over Fifth Ave built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1989.

What condition is Crosstown Bl over Fifth Ave 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 2024.

How much traffic does Crosstown Bl over Fifth Ave carry?

About 35,432 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Crosstown Bl over Fifth Ave?

The structure is 142 ft (43.3 m) long with a longest span of 77 ft (23.5 m) and a deck 43 ft wide.

Who owns Crosstown Bl over Fifth Ave?

It is owned by the State Highway Agency.