US Bridges

SR 0051 SB over South Main Street

Good

Allegheny County, Pennsylvania · West End · Structure no. 000000000045849

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
183 ft
1 main span
Daily traffic
3,612
2024 count
Owner
State
State Highway Agency

About this bridge

SR 0051 SB over South Main Street is a steel stringer/multi-beam or girder carrying SR 0051 SB over South Main Street in Allegheny County, Pennsylvania. It was built in 2010, so it is 15 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,612 vehicles a day, roughly 14% of them trucks, projected to reach 8,088 by 2032. The structure is 183 ft (55.8 m) long and 32 ft wide.

CarriesSR 0051 SB
CrossesSouth Main Street
LocationWest End
RouteState Highway 51
Coordinates40.44273, -80.03004
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating63.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span180 ft (54.9 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,612 (2024)
Projected traffic8,088 by 2032
Trucks14%
Lanes on structure2
Traffic directionOne-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 0051 SB over South Main Street built?

It was built in 2010, making it 15 years old in 2025.

What condition is SR 0051 SB over South Main Street in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does SR 0051 SB over South Main Street carry?

About 3,612 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR 0051 SB over South Main Street?

The structure is 183 ft (55.8 m) long with a longest span of 180 ft (54.9 m) and a deck 32 ft wide.

Who owns SR 0051 SB over South Main Street?

It is owned by the State Highway Agency.