US Bridges

Hawkins Av over Tassey Hollow & Stream

Fair

Allegheny County, Pennsylvania · P50007 Tassey Hollow · Structure no. 000000000002654

Built
1970
55 years old, rebuilt 2016
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
518 ft
4 main spans
Daily traffic
5,600
2018 count
Owner
Local
Other Local Agency

About this bridge

Hawkins Av over Tassey Hollow & Stream is a steel continuous stringer/multi-beam or girder carrying Hawkins Av over Tassey Hollow & Stream in Allegheny County, Pennsylvania. It was built in 1970 and reconstructed in 2016, so it is 55 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 5,600 vehicles a day, roughly 5% of them trucks, projected to reach 6,600 by 2039. The structure is 518 ft (157.9 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHawkins Av
CrossesTassey Hollow & Stream
LocationP50007 Tassey Hollow
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.41267, -79.87057
Functional classUrban Minor 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length518 ft (157.9 m)
Longest span143 ft (43.6 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2018)
Projected traffic6,600 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Hawkins Av over Tassey Hollow & Stream built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2016.

What condition is Hawkins Av over Tassey Hollow & Stream 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 2024.

How much traffic does Hawkins Av over Tassey Hollow & Stream carry?

About 5,600 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Hawkins Av over Tassey Hollow & Stream?

The structure is 518 ft (157.9 m) long with a longest span of 143 ft (43.6 m) and a deck 39 ft wide.

Who owns Hawkins Av over Tassey Hollow & Stream?

It is owned by the Other Local Agency.