US Bridges

SR 1050 over Loyalhanna Creek

Good

Westmoreland County, Pennsylvania · Loyalhanna Township · Structure no. 000000000036440

Built
1993
32 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
162 ft
2 main spans
Daily traffic
381
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1050 over Loyalhanna Creek is a prestressed concrete continuous box beam or girders - multiple carrying SR 1050 over Loyalhanna Creek in Westmoreland County, Pennsylvania. It was built in 1993, so it is 32 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 381 vehicles a day, roughly 8% of them trucks, projected to reach 332 by 2032. The structure is 162 ft (49.4 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 1050
CrossesLoyalhanna Creek
LocationLoyalhanna Township
RouteState Highway 0
Coordinates40.46464, -79.45162
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length162 ft (49.4 m)
Longest span80 ft (24.4 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic381 (2024)
Projected traffic332 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$497,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1050 over Loyalhanna Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR 1050 over Loyalhanna Creek 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 December 2023.

How much traffic does SR 1050 over Loyalhanna Creek carry?

About 381 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 1050 over Loyalhanna Creek?

The structure is 162 ft (49.4 m) long with a longest span of 80 ft (24.4 m) and a deck 31 ft wide.

Who owns SR 1050 over Loyalhanna Creek?

It is owned by the State Highway Agency.