US Bridges

Hafner ST over Pine Creek

Fair

Allegheny County, Pennsylvania · 430004 Hafner ST Bridge · Structure no. 000000000002588

Built
1955
70 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
111 ft
1 main span
Daily traffic
100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hafner ST over Pine Creek is a steel stringer/multi-beam or girder carrying Hafner ST over Pine Creek in Allegheny County, Pennsylvania. It was built in 1955, so it is 70 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2045. The structure is 111 ft (33.8 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesHafner ST
CrossesPine Creek
Location430004 Hafner ST Bridge
RouteCity Street 0
Coordinates40.49404, -79.94156
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.
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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating74 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span107 ft (32.6 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic100 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$129,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hafner ST over Pine Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Hafner ST over Pine 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 July 2023.

How much traffic does Hafner ST over Pine Creek carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Hafner ST over Pine Creek?

The structure is 111 ft (33.8 m) long with a longest span of 107 ft (32.6 m) and a deck 22 ft wide.

Who owns Hafner ST over Pine Creek?

It is owned by the City or Municipal Highway Agency.