US Bridges

Ridgewood Av over Center Avenue

Fair

Allegheny County, Pennsylvania · 474001 over Center Ave · Structure no. 000000000002716

Built
1940
85 years old, rebuilt 2017
Condition
Fair
inspected June 2023
Type
Arch - Deck
Concrete
Length
59 ft
1 main span
Daily traffic
500
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ridgewood Av over Center Avenue is a concrete arch - deck carrying Ridgewood Av over Center Avenue in Allegheny County, Pennsylvania. It was built in 1940 and reconstructed in 2017, so it is 85 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 5 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 510 by 2041. The structure is 59 ft (18 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRidgewood Av
CrossesCenter Avenue
Location474001 over Center Ave
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.51528, -80.0229
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length59 ft (18 m)
Longest span59 ft (18 m)
Deck width52 ft (15.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2019)
Projected traffic510 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$189,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ridgewood Av over Center Avenue built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2017.

What condition is Ridgewood Av over Center Avenue 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 June 2023.

How much traffic does Ridgewood Av over Center Avenue carry?

About 500 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Ridgewood Av over Center Avenue?

The structure is 59 ft (18 m) long with a longest span of 59 ft (18 m) and a deck 52 ft wide.

Who owns Ridgewood Av over Center Avenue?

It is owned by the City or Municipal Highway Agency.