US Bridges

Will ST over Long Run

Fair

Allegheny County, Pennsylvania · 304002 Off SR 0148 · Structure no. 000000000002516

Built
1930
95 years old, rebuilt 1988
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
50 ft
2 main spans
Daily traffic
100
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Will ST over Long Run is a steel continuous stringer/multi-beam or girder carrying Will ST over Long Run in Allegheny County, Pennsylvania. It was built in 1930 and reconstructed in 1988, so it is 95 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 50% of them trucks, projected to reach 110 by 2041. The structure is 50 ft (15.2 m) long and 15 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWill ST
CrossesLong Run
Location304002 Off SR 0148
RouteCity Street 0
Coordinates40.32583, -79.84022
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
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating66 US tons

Structure

MaterialSteel Continuous
DeckOther
Main spans2
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span41 ft (12.5 m)
Deck width15 ft (4.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic110 by 2041
Trucks50%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$44,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Will ST over Long Run built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1988.

What condition is Will ST over Long Run 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 2023.

How much traffic does Will ST over Long Run carry?

About 100 vehicles per day (2021 count), of which roughly 50% are trucks.

How long is Will ST over Long Run?

The structure is 50 ft (15.2 m) long with a longest span of 41 ft (12.5 m) and a deck 15 ft wide.

Who owns Will ST over Long Run?

It is owned by the City or Municipal Highway Agency.