US Bridges

SR 0056 over Trib. Kiskiminitas River

Fair

Westmoreland County, Pennsylvania · Allegheny Township · Structure no. 000000000036014

Built
1971
54 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
7,030
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0056 over Trib. Kiskiminitas River is a concrete culvert carrying SR 0056 over Trib. Kiskiminitas River 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 7,030 vehicles a day, roughly 4% of them trucks, projected to reach 7,889 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 0056
CrossesTrib. Kiskiminitas River
LocationAllegheny Township
RouteState Highway 56
Coordinates40.61701, -79.62076
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,030 (2024)
Projected traffic7,889 by 2043
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Trib. Kiskiminitas River built?

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

What condition is SR 0056 over Trib. Kiskiminitas River 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 Trib. Kiskiminitas River carry?

About 7,030 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is SR 0056 over Trib. Kiskiminitas River?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns SR 0056 over Trib. Kiskiminitas River?

It is owned by the State Highway Agency.