US Bridges

SR 0028 SB over Pa Turnpike

Fair

Allegheny County, Pennsylvania · SR 28 SB over Turnpike · Structure no. 000000000000639

Built
1970
55 years old, rebuilt 2008
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
196 ft
1 main span
Daily traffic
23,437
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0028 SB over Pa Turnpike is a steel stringer/multi-beam or girder carrying SR 0028 SB over Pa Turnpike in Allegheny County, Pennsylvania. It was built in 1970 and reconstructed in 2008, 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 6 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 23,437 vehicles a day, roughly 6% of them trucks, projected to reach 17,983 by 2032. The structure is 196 ft (59.7 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 0028 SB
CrossesPa Turnpike
LocationSR 28 SB over Turnpike
RouteState Highway 28
Coordinates40.54821, -79.82471
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span114 ft (34.7 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,437 (2024)
Projected traffic17,983 by 2032
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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$483,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 0028 SB over Pa Turnpike built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2008.

What condition is SR 0028 SB over Pa Turnpike 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 April 2024.

How much traffic does SR 0028 SB over Pa Turnpike carry?

About 23,437 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SR 0028 SB over Pa Turnpike?

The structure is 196 ft (59.7 m) long with a longest span of 114 ft (34.7 m) and a deck 43 ft wide.

Who owns SR 0028 SB over Pa Turnpike?

It is owned by the State Highway Agency.