US Bridges

Ramp 79S_576E over Pa Tpk (0576)

Good

Allegheny County, Pennsylvania · South Fayette Twp · Structure no. 000000000068213

Built
2020
5 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
460 ft
2 main spans
Daily traffic
—
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

Ramp 79S_576E over Pa Tpk (0576) is a steel continuous stringer/multi-beam or girder carrying Ramp 79S_576E over Pa Tpk (0576) in Allegheny County, Pennsylvania. It was built in 2020, so it is 5 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

No traffic count is recorded. The structure is 460 ft (140.2 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRamp 79S_576E
CrossesPa Tpk (0576)
LocationSouth Fayette Twp
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.32292, -80.14958
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length460 ft (140.2 m)
Longest span230 ft (70.1 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic180 by 2040
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp 79S_576E over Pa Tpk (0576) built?

It was built in 2020, making it 5 years old in 2025.

What condition is Ramp 79S_576E over Pa Tpk (0576) 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 August 2024.

How much traffic does Ramp 79S_576E over Pa Tpk (0576) carry?

No traffic count is recorded for this structure.

How long is Ramp 79S_576E over Pa Tpk (0576)?

The structure is 460 ft (140.2 m) long with a longest span of 230 ft (70.1 m) and a deck 38 ft wide.

Who owns Ramp 79S_576E over Pa Tpk (0576)?

It is owned by the State Toll Authority.