US Bridges

Ramp T over Elder ST Turtle Crk RR

Good

Allegheny County, Pennsylvania · Triboro Expressway · Structure no. 000000000048208

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
841 ft
4 main spans
Daily traffic
3,462
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp T over Elder ST Turtle Crk RR is a steel continuous stringer/multi-beam or girder carrying Ramp T over Elder ST Turtle Crk RR in Allegheny County, Pennsylvania. It was built in 2013, so it is 12 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 3,462 vehicles a day, roughly 5% of them trucks, projected to reach 2,988 by 2032. The structure is 841 ft (256.3 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRamp T
CrossesElder ST Turtle Crk RR
LocationTriboro Expressway
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.39351, -79.83539
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHL 93
Structure length841 ft (256.3 m)
Longest span207 ft (63.1 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,462 (2024)
Projected traffic2,988 by 2032
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed5 mi (8 km)
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 Ramp T over Elder ST Turtle Crk RR built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ramp T over Elder ST Turtle Crk RR 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 August 2023.

How much traffic does Ramp T over Elder ST Turtle Crk RR carry?

About 3,462 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ramp T over Elder ST Turtle Crk RR?

The structure is 841 ft (256.3 m) long with a longest span of 207 ft (63.1 m) and a deck 36 ft wide.

Who owns Ramp T over Elder ST Turtle Crk RR?

It is owned by the State Highway Agency.