US Bridges

SR 0028 SB over Rt 0910 EB WB

Fair

Allegheny County, Pennsylvania · Harmarville Interchange · Structure no. 000000000000636

Built
1970
55 years old, rebuilt 2008
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
190 ft
1 main span
Daily traffic
22,509
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0028 SB over Rt 0910 EB WB is a steel stringer/multi-beam or girder carrying SR 0028 SB over Rt 0910 EB WB 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 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 22,509 vehicles a day, roughly 5% of them trucks, projected to reach 20,362 by 2032. The structure is 190 ft (57.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 0028 SB
CrossesRt 0910 EB WB
LocationHarmarville Interchange
RouteState Highway 28
Coordinates40.54064, -79.84074
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length190 ft (57.9 m)
Longest span109 ft (33.2 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,509 (2024)
Projected traffic20,362 by 2032
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$442,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 0028 SB over Rt 0910 EB WB 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 Rt 0910 EB WB 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 Rt 0910 EB WB carry?

About 22,509 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 0028 SB over Rt 0910 EB WB?

The structure is 190 ft (57.9 m) long with a longest span of 109 ft (33.2 m) and a deck 43 ft wide.

Who owns SR 0028 SB over Rt 0910 EB WB?

It is owned by the State Highway Agency.