US Bridges

Ramp B from 279 SB over Parking Area

Fair

Allegheny County, Pennsylvania · Near Clark Building · Structure no. 000000000002927

Built
1986
39 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
486 ft
5 main spans
Daily traffic
2,764
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp B from 279 SB over Parking Area is a prestressed concrete continuous stringer/multi-beam or girder carrying Ramp B from 279 SB over Parking Area in Allegheny County, Pennsylvania. It was built in 1986, so it is 39 years old, younger 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 2,764 vehicles a day, roughly 7% of them trucks, projected to reach 9,145 by 2032. The structure is 486 ft (148.1 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRamp B from 279 SB
CrossesParking Area
LocationNear Clark Building
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.46667, -80.01667
Functional classUrban Principal Arterial - Interstate

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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length486 ft (148.1 m)
Longest span98 ft (29.9 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,764 (2024)
Projected traffic9,145 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp B from 279 SB over Parking Area built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ramp B from 279 SB over Parking Area 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 from 279 SB over Parking Area carry?

About 2,764 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp B from 279 SB over Parking Area?

The structure is 486 ft (148.1 m) long with a longest span of 98 ft (29.9 m) and a deck 34 ft wide.

Who owns Ramp B from 279 SB over Parking Area?

It is owned by the State Highway Agency.