US Bridges

SR 0056 over Kiski NS R/R SR 2054

Fair

Westmoreland County, Pennsylvania · Vandergrift Bridge · Structure no. 000000000036017

Built
1933
92 years old, rebuilt 1988
Condition
Fair
inspected April 2023
Type
Truss - Thru
Steel
Length
497 ft
1 main span
Daily traffic
8,762
2023 count
Owner
State
State Highway Agency

About this bridge

SR 0056 over Kiski NS R/R SR 2054 is a steel truss - thru carrying SR 0056 over Kiski NS R/R SR 2054 in Westmoreland County, Pennsylvania. It was built in 1933 and reconstructed in 1988, so it is 92 years old, older 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 8,762 vehicles a day, roughly 2% of them trucks, projected to reach 12,087 by 2032. The structure is 497 ft (151.5 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesSR 0056
CrossesKiski NS R/R SR 2054
LocationVandergrift Bridge
RouteState Highway 56
CountyWestmoreland County
StatePennsylvania
Coordinates40.60612, -79.56082
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating24 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length497 ft (151.5 m)
Longest span311 ft (94.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic8,762 (2023)
Projected traffic12,087 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed11.8 mi (19 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 0056 over Kiski NS R/R SR 2054 built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1988.

What condition is SR 0056 over Kiski NS R/R SR 2054 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 April 2023.

How much traffic does SR 0056 over Kiski NS R/R SR 2054 carry?

About 8,762 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is SR 0056 over Kiski NS R/R SR 2054?

The structure is 497 ft (151.5 m) long with a longest span of 311 ft (94.8 m) and a deck 35 ft wide.

Who owns SR 0056 over Kiski NS R/R SR 2054?

It is owned by the State Highway Agency.