US Bridges

Freeport RD over S.Oakhill Rd.& Squaw Run

Fair

Allegheny County, Pennsylvania · At Blawnox Interchange · Structure no. 000000000000620

Built
1965
60 years old, rebuilt 1984
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
225 ft
3 main spans
Daily traffic
21,142
2024 count
Owner
State
State Highway Agency

About this bridge

Freeport RD over S.Oakhill Rd.& Squaw Run is a steel stringer/multi-beam or girder carrying Freeport RD over S.Oakhill Rd.& Squaw Run in Allegheny County, Pennsylvania. It was built in 1965 and reconstructed in 1984, so it is 60 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 21,142 vehicles a day, roughly 6% of them trucks, projected to reach 30,905 by 2032. The structure is 225 ft (68.6 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFreeport RD
CrossesS.Oakhill Rd.& Squaw Run
LocationAt Blawnox Interchange
RouteState Highway 28
Coordinates40.49068, -79.88013
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
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 inspectionJune 2023
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 alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span81 ft (24.7 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,142 (2024)
Projected traffic30,905 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$473,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Freeport RD over S.Oakhill Rd.& Squaw Run built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1984.

What condition is Freeport RD over S.Oakhill Rd.& Squaw 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 June 2023.

How much traffic does Freeport RD over S.Oakhill Rd.& Squaw Run carry?

About 21,142 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Freeport RD over S.Oakhill Rd.& Squaw Run?

The structure is 225 ft (68.6 m) long with a longest span of 81 ft (24.7 m) and a deck 39 ft wide.

Who owns Freeport RD over S.Oakhill Rd.& Squaw Run?

It is owned by the State Highway Agency.