US Bridges

E Liberty(nb) Bl over Pedestrian Walkway

Fair

Allegheny County, Pennsylvania · 031 E Liberty Blvd NB · Structure no. 000000000002470

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
6,635
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Liberty(nb) Bl over Pedestrian Walkway is a prestressed concrete box beam or girders - multiple carrying E Liberty(nb) Bl over Pedestrian Walkway in Allegheny County, Pennsylvania. It was built in 1968, so it is 57 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 6,635 vehicles a day, roughly 5% of them trucks, projected to reach 6,635 by 2043. The structure is 52 ft (15.8 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesE Liberty(nb) Bl
CrossesPedestrian Walkway
Location031 E Liberty Blvd NB
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.46479, -79.91885
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width37 ft (11.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,635 (2021)
Projected traffic6,635 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$70,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was E Liberty(nb) Bl over Pedestrian Walkway built?

It was built in 1968, making it 57 years old in 2025.

What condition is E Liberty(nb) Bl over Pedestrian Walkway 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 August 2023.

How much traffic does E Liberty(nb) Bl over Pedestrian Walkway carry?

About 6,635 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is E Liberty(nb) Bl over Pedestrian Walkway?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 37 ft wide.

Who owns E Liberty(nb) Bl over Pedestrian Walkway?

It is owned by the City or Municipal Highway Agency.