US Bridges

Ramp B over SR 0028 SB

Fair

Allegheny County, Pennsylvania · SB Ramp to Highland Pk.Br · Structure no. 000000000002850

Built
1960
65 years old, rebuilt 1994
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
287 ft
4 main spans
Daily traffic
7,031
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp B over SR 0028 SB is a steel stringer/multi-beam or girder carrying Ramp B over SR 0028 SB in Allegheny County, Pennsylvania. It was built in 1960 and reconstructed in 1994, so it is 65 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 7,031 vehicles a day, roughly 5% of them trucks, projected to reach 24,385 by 2032. The structure is 287 ft (87.5 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp B
CrossesSR 0028 SB
LocationSB Ramp to Highland Pk.Br
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.4952, -79.90757
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.
Superstructure7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length287 ft (87.5 m)
Longest span82 ft (25 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,031 (2024)
Projected traffic24,385 by 2032
Trucks5%
Lanes on structure1
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$160,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp B over SR 0028 SB built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1994.

What condition is Ramp B over SR 0028 SB 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 Ramp B over SR 0028 SB carry?

About 7,031 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ramp B over SR 0028 SB?

The structure is 287 ft (87.5 m) long with a longest span of 82 ft (25 m) and a deck 29 ft wide.

Who owns Ramp B over SR 0028 SB?

It is owned by the State Highway Agency.