US Bridges

Mckees Rocks Br over Helen Street

Fair

Allegheny County, Pennsylvania · Over Helen Street · Structure no. 000000000001873

Built
1931
94 years old, rebuilt 1987
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
58 ft
1 main span
Daily traffic
29,612
2024 count
Owner
State
State Highway Agency

About this bridge

Mckees Rocks Br over Helen Street is a concrete culvert carrying Mckees Rocks Br over Helen Street in Allegheny County, Pennsylvania. It was built in 1931 and reconstructed in 1987, so it is 94 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 29,612 vehicles a day, roughly 6% of them trucks, projected to reach 24,403 by 2032. The structure is 58 ft (17.7 m) long and 53 ft wide.

CarriesMckees Rocks Br
CrossesHelen Street
LocationOver Helen Street
RouteState Highway 0
Coordinates40.47546, -80.05835
Functional classUrban Other Principal 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
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span50 ft (15.2 m)
Deck width53 ft (16.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,612 (2024)
Projected traffic24,403 by 2032
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mckees Rocks Br over Helen Street built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1987.

What condition is Mckees Rocks Br over Helen Street 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 December 2022.

How much traffic does Mckees Rocks Br over Helen Street carry?

About 29,612 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mckees Rocks Br over Helen Street?

The structure is 58 ft (17.7 m) long with a longest span of 50 ft (15.2 m) and a deck 53 ft wide.

Who owns Mckees Rocks Br over Helen Street?

It is owned by the State Highway Agency.