US Bridges

Shanksville RD over Unt to Stonycreek River

Good

Somerset County, Pennsylvania · 0.99 Mile NW of Pa 160 · Structure no. 000000000053985

Built
2017
8 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
265
2024 count
Owner
State
State Highway Agency

About this bridge

Shanksville RD over Unt to Stonycreek River is a prestressed concrete box beam or girders - multiple carrying Shanksville RD over Unt to Stonycreek River in Somerset County, Pennsylvania. It was built in 2017, so it is 8 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.

It carries about 265 vehicles a day, roughly 2% of them trucks, projected to reach 283 by 2039. The structure is 62 ft (18.9 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesShanksville RD
CrossesUnt to Stonycreek River
Location0.99 Mile NW of Pa 160
RouteState Highway 0
Coordinates39.97068, -78.9031
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating53.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length62 ft (18.9 m)
Longest span57 ft (17.4 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2024)
Projected traffic283 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shanksville RD over Unt to Stonycreek River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Shanksville RD over Unt to Stonycreek River 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 July 2023.

How much traffic does Shanksville RD over Unt to Stonycreek River carry?

About 265 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Shanksville RD over Unt to Stonycreek River?

The structure is 62 ft (18.9 m) long with a longest span of 57 ft (17.4 m) and a deck 33 ft wide.

Who owns Shanksville RD over Unt to Stonycreek River?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).