US Bridges

SR 0070 over Pa Route 31

Good

Westmoreland County, Pennsylvania · South Huntingdon Township · Structure no. 000000000057367

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
30,467
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0070 over Pa Route 31 is a prestressed concrete box beam or girders - multiple carrying SR 0070 over Pa Route 31 in Westmoreland 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 30,467 vehicles a day, roughly 28% of them trucks, projected to reach 40,600 by 2036. The structure is 92 ft (28 m) long and 97 ft wide.

CarriesSR 0070
CrossesPa Route 31
LocationSouth Huntingdon Township
RouteInterstate 70
Coordinates40.18858, -79.70096
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length92 ft (28 m)
Longest span92 ft (28 m)
Deck width97 ft (29.5 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,467 (2024)
Projected traffic40,600 by 2036
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Pa Route 31 built?

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

What condition is SR 0070 over Pa Route 31 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 May 2023.

How much traffic does SR 0070 over Pa Route 31 carry?

About 30,467 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is SR 0070 over Pa Route 31?

The structure is 92 ft (28 m) long with a longest span of 92 ft (28 m) and a deck 97 ft wide.

Who owns SR 0070 over Pa Route 31?

It is owned by the State Highway Agency.