US Bridges

Mission Road over Loyalhanna Creek

Good

Westmoreland County, Pennsylvania · 1000 West of SR 982 · Structure no. 000000000052499

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
212 ft
2 main spans
Daily traffic
1,000
2023 count
Owner
County
County Highway Agency

About this bridge

Mission Road over Loyalhanna Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Mission Road over Loyalhanna Creek in Westmoreland County, Pennsylvania. It was built in 2015, so it is 10 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,050 by 2043. The structure is 212 ft (64.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMission Road
CrossesLoyalhanna Creek
Location1000 West of SR 982
RouteCity Street 0
Coordinates40.29515, -79.37556
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating52.5 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length212 ft (64.6 m)
Longest span104 ft (31.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,050 by 2043
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mission Road over Loyalhanna Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Mission Road 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 August 2023.

How much traffic does Mission Road over Loyalhanna Creek carry?

About 1,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mission Road over Loyalhanna Creek?

The structure is 212 ft (64.6 m) long with a longest span of 104 ft (31.7 m) and a deck 33 ft wide.

Who owns Mission Road over Loyalhanna Creek?

It is owned by the County Highway Agency.