US Bridges

Pa Tpk (I-76) over SR 0070 RR & Sewickley

Good

Westmoreland County, Pennsylvania · Near New Stanton · Structure no. 000000000036842

Built
1999
26 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
601 ft
5 main spans
Daily traffic
32,982
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over SR 0070 RR & Sewickley is a steel continuous stringer/multi-beam or girder carrying Pa Tpk (I-76) over SR 0070 RR & Sewickley in Westmoreland County, Pennsylvania. It was built in 1999, so it is 26 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,982 vehicles a day, roughly 36% of them trucks, projected to reach 41,556 by 2030. The structure is 601 ft (183.2 m) long and 86 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPa Tpk (I-76)
CrossesSR 0070 RR & Sewickley
LocationNear New Stanton
RouteInterstate 76
CountyWestmoreland County
StatePennsylvania
Coordinates40.2179, -79.60021
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length601 ft (183.2 m)
Longest span140 ft (42.7 m)
Deck width86 ft (26.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,982 (2001)
Projected traffic41,556 by 2030
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed3.7 mi (6 km)
TollOn a toll road
National Highway SystemYes
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-76) over SR 0070 RR & Sewickley built?

It was built in 1999, making it 26 years old in 2025.

What condition is Pa Tpk (I-76) over SR 0070 RR & Sewickley 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 November 2023.

How much traffic does Pa Tpk (I-76) over SR 0070 RR & Sewickley carry?

About 32,982 vehicles per day (2001 count), of which roughly 36% are trucks.

How long is Pa Tpk (I-76) over SR 0070 RR & Sewickley?

The structure is 601 ft (183.2 m) long with a longest span of 140 ft (42.7 m) and a deck 86 ft wide.

Who owns Pa Tpk (I-76) over SR 0070 RR & Sewickley?

It is owned by the State Toll Authority.