US Bridges

Warendale-Bayne RD over Big Sewickley Creek

Fair

Allegheny County, Pennsylvania · SB10 Big SEWICKLEYCR#10 · Structure no. 000000000002327

Built
1929
96 years old
Condition
Fair
inspected June 2024
Type
Frame
Concrete
Length
35 ft
1 main span
Daily traffic
1,341
2006 count
Owner
County
County Highway Agency

About this bridge

Warendale-Bayne RD over Big Sewickley Creek is a concrete frame carrying Warendale-Bayne RD over Big Sewickley Creek in Allegheny County, Pennsylvania. It was built in 1929, so it is 96 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 1,341 vehicles a day, roughly 6% of them trucks, projected to reach 1,500 by 2024. The structure is 35 ft (10.7 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesWarendale-Bayne RD
CrossesBig Sewickley Creek
LocationSB10 Big SEWICKLEYCR#10
RouteCounty Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.63228, -80.14103
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating54 US tons
Inventory rating32 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width36 ft (11.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,341 (2006)
Projected traffic1,500 by 2024
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$65,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Warendale-Bayne RD over Big Sewickley Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is Warendale-Bayne RD over Big Sewickley Creek 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 2024.

How much traffic does Warendale-Bayne RD over Big Sewickley Creek carry?

About 1,341 vehicles per day (2006 count), of which roughly 6% are trucks.

How long is Warendale-Bayne RD over Big Sewickley Creek?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 36 ft wide.

Who owns Warendale-Bayne RD over Big Sewickley Creek?

It is owned by the County Highway Agency.