US Bridges

SR 4027 over Coal Run

Fair

Westmoreland County, Pennsylvania · North Huntingdon Township · Structure no. 000000000036717

Built
1971
54 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
1,010
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4027 over Coal Run is a concrete slab carrying SR 4027 over Coal Run in Westmoreland County, Pennsylvania. It was built in 1971, so it is 54 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,010 vehicles a day, roughly 1% of them trucks, projected to reach 2,075 by 2032. The structure is 30 ft (9.1 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 4027
CrossesCoal Run
LocationNorth Huntingdon Township
RouteState Highway 0
CountyWestmoreland County
StatePennsylvania
Coordinates40.33766, -79.70719
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,010 (2024)
Projected traffic2,075 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4027 over Coal Run built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 4027 over Coal Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does SR 4027 over Coal Run carry?

About 1,010 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 4027 over Coal Run?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 48 ft wide.

Who owns SR 4027 over Coal Run?

It is owned by the State Highway Agency.