US Bridges

T318 Shaner Road over Trib. of Yough. River

PoorClosed to traffic

Westmoreland County, Pennsylvania · Btw T621 & T623 · Structure no. 000000000036960

Built
1930
95 years old
Condition
Poor
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
60
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T318 Shaner Road over Trib. of Yough. River is a steel stringer/multi-beam or girder carrying T318 Shaner Road over Trib. of Yough. River in Westmoreland County, Pennsylvania. It was built in 1930, so it is 95 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 60 vehicles a day, projected to reach 75 by 2042. The structure is 22 ft (6.7 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT318 Shaner Road
CrossesTrib. of Yough. River
LocationBtw T621 & T623
RouteCity Street 0T318
Coordinates40.27534, -79.77527
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating3 US tons
Inventory rating2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width18 ft (5.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic75 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$53,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T318 Shaner Road over Trib. of Yough. River built?

It was built in 1930, making it 95 years old in 2025.

What condition is T318 Shaner Road over Trib. of Yough. River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2022.

How much traffic does T318 Shaner Road over Trib. of Yough. River carry?

About 60 vehicles per day (2022 count).

How long is T318 Shaner Road over Trib. of Yough. River?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 18 ft wide.

Who owns T318 Shaner Road over Trib. of Yough. River?

It is owned by the Town or Township Highway Agency.