US Bridges

SR 0028 NB over Pa Turnpike

Good

Allegheny County, Pennsylvania · SR 28 NB over Turnpike · Structure no. 000000000000637

Built
1970
55 years old, rebuilt 2008
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
187 ft
1 main span
Daily traffic
25,171
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0028 NB over Pa Turnpike is a steel stringer/multi-beam or girder carrying SR 0028 NB 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25,171 vehicles a day, roughly 5% of them trucks, projected to reach 14,932 by 2032. The structure is 187 ft (57 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 0028 NB
CrossesPa Turnpike
LocationSR 28 NB over Turnpike
RouteState Highway 28
Coordinates40.54801, -79.82483
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length187 ft (57 m)
Longest span114 ft (34.7 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,171 (2024)
Projected traffic14,932 by 2032
Trucks5%
Lanes on structure3
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$464,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 0028 NB 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 NB over Pa Turnpike in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

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

About 25,171 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 0028 NB over Pa Turnpike?

The structure is 187 ft (57 m) long with a longest span of 114 ft (34.7 m) and a deck 58 ft wide.

Who owns SR 0028 NB over Pa Turnpike?

It is owned by the State Highway Agency.