US Bridges

SR 48 SB over N & S RR Turtle Creek

Good

Allegheny County, Pennsylvania · South of SR 130 Intersect · Structure no. 000000000044006

Built
2006
19 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
509 ft
2 main spans
Daily traffic
6,555
2024 count
Owner
State
State Highway Agency

About this bridge

SR 48 SB over N & S RR Turtle Creek is a steel continuous stringer/multi-beam or girder carrying SR 48 SB over N & S RR Turtle Creek in Allegheny County, Pennsylvania. It was built in 2006, so it is 19 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 6,555 vehicles a day, roughly 12% of them trucks, projected to reach 8,788 by 2043. The structure is 509 ft (155.1 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesSR 48 SB
CrossesN & S RR Turtle Creek
LocationSouth of SR 130 Intersect
RouteState Highway 48
CountyAllegheny County
StatePennsylvania
Coordinates40.39553, -79.77535
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating84 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length509 ft (155.1 m)
Longest span260 ft (79.2 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,555 (2024)
Projected traffic8,788 by 2043
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 48 SB over N & S RR Turtle Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR 48 SB over N & S RR Turtle Creek 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 January 2023.

How much traffic does SR 48 SB over N & S RR Turtle Creek carry?

About 6,555 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SR 48 SB over N & S RR Turtle Creek?

The structure is 509 ft (155.1 m) long with a longest span of 260 ft (79.2 m) and a deck 41 ft wide.

Who owns SR 48 SB over N & S RR Turtle Creek?

It is owned by the State Highway Agency.