US Bridges

Sewickley Bridge over SR 0051;N&SRR;CSX;OHIO R

Fair

Allegheny County, Pennsylvania · Sewickley Bridge · Structure no. 000000000001966

Built
1981
44 years old, rebuilt 2020
Condition
Fair
inspected May 2023
Type
Truss - Thru
Steel Continuous
Length
1,852 ft
3 main spans
Daily traffic
26,633
2024 count
Owner
State
State Highway Agency

About this bridge

Sewickley Bridge over SR 0051;N&SRR;CSX;OHIO R is a steel continuous truss - thru carrying Sewickley Bridge over SR 0051;N&SRR;CSX;OHIO R in Allegheny County, Pennsylvania. It was built in 1981 and reconstructed in 2020, so it is 44 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 26,633 vehicles a day, roughly 3% of them trucks, projected to reach 22,939 by 2039. The structure is 1,852 ft (564.5 m) long and 44 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSewickley Bridge
CrossesSR 0051;N&SRR;CSX;OHIO R
LocationSewickley Bridge
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.53315, -80.18772
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length1,852 ft (564.5 m)
Longest span750 ft (228.6 m)
Deck width44 ft (13.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic26,633 (2024)
Projected traffic22,939 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$3.7 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Sewickley Bridge over SR 0051;N&SRR;CSX;OHIO R built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2020.

What condition is Sewickley Bridge over SR 0051;N&SRR;CSX;OHIO R 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 May 2023.

How much traffic does Sewickley Bridge over SR 0051;N&SRR;CSX;OHIO R carry?

About 26,633 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Sewickley Bridge over SR 0051;N&SRR;CSX;OHIO R?

The structure is 1,852 ft (564.5 m) long with a longest span of 750 ft (228.6 m) and a deck 44 ft wide.

Who owns Sewickley Bridge over SR 0051;N&SRR;CSX;OHIO R?

It is owned by the State Highway Agency.