US Bridges

Walnut Street over Trib to Bushy Run

Poor

Westmoreland County, Pennsylvania · Penn Township · Structure no. 000000000056981

Built
1989
36 years old
Condition
Poor
inspected July 2024
Type
Channel Beam
Concrete
Length
22 ft
1 main span
Daily traffic
1,000
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Walnut Street over Trib to Bushy Run is a concrete channel beam carrying Walnut Street over Trib to Bushy Run in Westmoreland County, Pennsylvania. It was built in 1989, so it is 36 years old, younger 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 4 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.

It carries about 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,100 by 2044. The structure is 22 ft (6.7 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWalnut Street
CrossesTrib to Bushy Run
LocationPenn Township
RouteCity Street 0
Coordinates40.35589, -79.65058
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2024)
Projected traffic1,100 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Walnut Street over Trib to Bushy Run built?

It was built in 1989, making it 36 years old in 2025.

What condition is Walnut Street over Trib to Bushy Run 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 July 2024.

How much traffic does Walnut Street over Trib to Bushy Run carry?

About 1,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Walnut Street over Trib to Bushy Run?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 25 ft wide.

Who owns Walnut Street over Trib to Bushy Run?

It is owned by the Town or Township Highway Agency.