US Bridges

SR 0271 over Mill Creek

Good

Westmoreland County, Pennsylvania · Ligonier Township · Structure no. 000000000036182

Built
1940
85 years old, rebuilt 2019
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
4,422
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0271 over Mill Creek is a prestressed concrete box beam or girders - multiple carrying SR 0271 over Mill Creek in Westmoreland County, Pennsylvania. It was built in 1940 and reconstructed in 2019, so it is 85 years old, older 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 4,422 vehicles a day, roughly 9% of them trucks, projected to reach 5,839 by 2042. The structure is 55 ft (16.8 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSR 0271
CrossesMill Creek
LocationLigonier Township
RouteState Highway 271
Coordinates40.25483, -79.17717
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length55 ft (16.8 m)
Longest span54 ft (16.5 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,422 (2024)
Projected traffic5,839 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedNone recorded
Estimated improvement cost$306,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 0271 over Mill Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2019.

What condition is SR 0271 over Mill 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 June 2023.

How much traffic does SR 0271 over Mill Creek carry?

About 4,422 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 0271 over Mill Creek?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 35 ft wide.

Who owns SR 0271 over Mill Creek?

It is owned by the State Highway Agency.