US Bridges

Mcardle Rdwy RD over Sycamore Street

Poor

Allegheny County, Pennsylvania · 053 Pj Mcardle Rdwy Bridg · Structure no. 000000000002424

Built
1983
42 years old, rebuilt 2019
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
454 ft
3 main spans
Daily traffic
11,000
2001 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcardle Rdwy RD over Sycamore Street is a steel continuous stringer/multi-beam or girder carrying Mcardle Rdwy RD over Sycamore Street in Allegheny County, Pennsylvania. It was built in 1983 and reconstructed in 2019, so it is 42 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 11,000 vehicles a day, roughly 5% of them trucks, projected to reach 12,100 by 2016. The structure is 454 ft (138.4 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMcardle Rdwy RD
CrossesSycamore Street
Location053 Pj Mcardle Rdwy Bridg
RouteCity Street 0
Coordinates40.43042, -80.0023
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length454 ft (138.4 m)
Longest span185 ft (56.4 m)
Deck width35 ft (10.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2001)
Projected traffic12,100 by 2016
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$531,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mcardle Rdwy RD over Sycamore Street built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2019.

What condition is Mcardle Rdwy RD over Sycamore Street in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Mcardle Rdwy RD over Sycamore Street carry?

About 11,000 vehicles per day (2001 count), of which roughly 5% are trucks.

How long is Mcardle Rdwy RD over Sycamore Street?

The structure is 454 ft (138.4 m) long with a longest span of 185 ft (56.4 m) and a deck 35 ft wide.

Who owns Mcardle Rdwy RD over Sycamore Street?

It is owned by the City or Municipal Highway Agency.