US Bridges

Ramp 28 NB to 8 NB over Ramp Bridge St. CSX R/R

Good

Allegheny County, Pennsylvania · ETNA-28 N.B. Ramp to Rt 8 · Structure no. 000000000002830

Built
1963
62 years old, rebuilt 2010
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
524 ft
6 main spans
Daily traffic
9,054
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp 28 NB to 8 NB over Ramp Bridge St. CSX R/R is a steel continuous stringer/multi-beam or girder carrying Ramp 28 NB to 8 NB over Ramp Bridge St. CSX R/R in Allegheny County, Pennsylvania. It was built in 1963 and reconstructed in 2010, so it is 62 years old, older 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 9,054 vehicles a day, roughly 3% of them trucks, projected to reach 15,642 by 2032. The structure is 524 ft (159.7 m) long and 21 ft wide.

Location

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CarriesRamp 28 NB to 8 NB
CrossesRamp Bridge St. CSX R/R
LocationETNA-28 N.B. Ramp to Rt 8
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.49167, -79.94167
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6 (+1 approach)
Design loadHL 93
Structure length524 ft (159.7 m)
Longest span96 ft (29.3 m)
Deck width21 ft (6.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,054 (2024)
Projected traffic15,642 by 2032
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp 28 NB to 8 NB over Ramp Bridge St. CSX R/R built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2010.

What condition is Ramp 28 NB to 8 NB over Ramp Bridge St. CSX R/R 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 April 2024.

How much traffic does Ramp 28 NB to 8 NB over Ramp Bridge St. CSX R/R carry?

About 9,054 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Ramp 28 NB to 8 NB over Ramp Bridge St. CSX R/R?

The structure is 524 ft (159.7 m) long with a longest span of 96 ft (29.3 m) and a deck 21 ft wide.

Who owns Ramp 28 NB to 8 NB over Ramp Bridge St. CSX R/R?

It is owned by the State Highway Agency.