US Bridges

SR 1021 over Coalpit Run

Good

Westmoreland County, Pennsylvania · Ligonier Township · Structure no. 000000000036401

Built
1951
74 years old, rebuilt 2018
Condition
Good
inspected December 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
162
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1021 over Coalpit Run is a prestressed concrete box beam or girders - multiple carrying SR 1021 over Coalpit Run in Westmoreland County, Pennsylvania. It was built in 1951 and reconstructed in 2018, so it is 74 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 162 vehicles a day, roughly 8% of them trucks, projected to reach 681 by 2032. The structure is 35 ft (10.7 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 1021
CrossesCoalpit Run
LocationLigonier Township
RouteState Highway 0
Coordinates40.27701, -79.24468
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2021
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic162 (2024)
Projected traffic681 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$42,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1021 over Coalpit Run built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2018.

What condition is SR 1021 over Coalpit Run 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 2021.

How much traffic does SR 1021 over Coalpit Run carry?

About 162 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 1021 over Coalpit Run?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 25 ft wide.

Who owns SR 1021 over Coalpit Run?

It is owned by the State Highway Agency.