US Bridges

SR 8005 Ramp Ab over SR 0079 Nb-Sb

Fair

Allegheny County, Pennsylvania · Heidelberg Exit · Structure no. 000000000002747

Built
1967
58 years old, rebuilt 1986
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
252 ft
2 main spans
Daily traffic
11,774
2024 count
Owner
State
State Highway Agency

About this bridge

SR 8005 Ramp Ab over SR 0079 Nb-Sb is a prestressed concrete box beam or girders - multiple carrying SR 8005 Ramp Ab over SR 0079 Nb-Sb in Allegheny County, Pennsylvania. It was built in 1967 and reconstructed in 1986, so it is 58 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 11,774 vehicles a day, roughly 7% of them trucks, projected to reach 16,388 by 2032. The structure is 252 ft (76.8 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesSR 8005 Ramp Ab
CrossesSR 0079 Nb-Sb
LocationHeidelberg Exit
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.375, -80.1
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 alignment6: Equal to present minimum criteria
Operating rating83 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span86 ft (26.2 m)
Deck width45 ft (13.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,774 (2024)
Projected traffic16,388 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$338,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 8005 Ramp Ab over SR 0079 Nb-Sb built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1986.

What condition is SR 8005 Ramp Ab over SR 0079 Nb-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 May 2023.

How much traffic does SR 8005 Ramp Ab over SR 0079 Nb-Sb carry?

About 11,774 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 8005 Ramp Ab over SR 0079 Nb-Sb?

The structure is 252 ft (76.8 m) long with a longest span of 86 ft (26.2 m) and a deck 45 ft wide.

Who owns SR 8005 Ramp Ab over SR 0079 Nb-Sb?

It is owned by the State Highway Agency.