US Bridges

Old Wlm. Penn HWY over Whitehorn Creek

PoorPosted for load

Westmoreland County, Pennsylvania · 200 East of SR 1055 · Structure no. 000000000036952

Built
1924
101 years old
Condition
Poor
inspected October 2024
Type
Tee Beam
Concrete
Length
24 ft
1 main span
Daily traffic
20
1992 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Wlm. Penn HWY over Whitehorn Creek is a concrete tee beam carrying Old Wlm. Penn HWY over Whitehorn Creek in Westmoreland County, Pennsylvania. It was built in 1924, so it is 101 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: posted for load restriction.

It carries about 20 vehicles a day, roughly 5% of them trucks, projected to reach 25 by 2010. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Wlm. Penn HWY
CrossesWhitehorn Creek
Location200 East of SR 1055
RouteCity Street 0T628
Coordinates40.39776, -79.4792
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating13 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width26 ft (7.9 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1992)
Projected traffic25 by 2010
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$78,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Wlm. Penn HWY over Whitehorn Creek built?

It was built in 1924, making it 101 years old in 2025.

What condition is Old Wlm. Penn HWY over Whitehorn Creek 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 October 2024.

How much traffic does Old Wlm. Penn HWY over Whitehorn Creek carry?

About 20 vehicles per day (1992 count), of which roughly 5% are trucks.

How long is Old Wlm. Penn HWY over Whitehorn Creek?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 26 ft wide.

Who owns Old Wlm. Penn HWY over Whitehorn Creek?

It is owned by the Town or Township Highway Agency.