US Bridges

SR 0070 over Allegheny Valley RR

Good

Washington County, Pennsylvania · South Strabane Township · Structure no. 000000000057302

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
173 ft
3 main spans
Daily traffic
20,403
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0070 over Allegheny Valley RR is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 0070 over Allegheny Valley RR in Washington County, Pennsylvania. It was built in 2019, so it is 6 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 20,403 vehicles a day, roughly 28% of them trucks, projected to reach 30,000 by 2041. The structure is 173 ft (52.7 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 0070
CrossesAllegheny Valley RR
LocationSouth Strabane Township
RouteInterstate 70
CountyWashington County
StatePennsylvania
Coordinates40.16683, -80.20312
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length173 ft (52.7 m)
Longest span70 ft (21.3 m)
Deck width61 ft (18.7 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,403 (2024)
Projected traffic30,000 by 2041
Trucks28%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 SR 0070 over Allegheny Valley RR built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR 0070 over Allegheny Valley RR 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 2023.

How much traffic does SR 0070 over Allegheny Valley RR carry?

About 20,403 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is SR 0070 over Allegheny Valley RR?

The structure is 173 ft (52.7 m) long with a longest span of 70 ft (21.3 m) and a deck 61 ft wide.

Who owns SR 0070 over Allegheny Valley RR?

It is owned by the State Highway Agency.