US Bridges

28-279 Connector over SR 279 and Madison Ave

Good

Allegheny County, Pennsylvania · North Side · Structure no. 000000000045110

Built
2008
17 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
455 ft
2 main spans
Daily traffic
18,067
2024 count
Owner
State
State Highway Agency

About this bridge

28-279 Connector over SR 279 and Madison Ave is a steel continuous stringer/multi-beam or girder carrying 28-279 Connector over SR 279 and Madison Ave in Allegheny County, Pennsylvania. It was built in 2008, so it is 17 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 18,067 vehicles a day, roughly 7% of them trucks, projected to reach 2,938 by 2032. The structure is 455 ft (138.7 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries28-279 Connector
CrossesSR 279 and Madison Ave
LocationNorth Side
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.5, -80
Functional classUrban Principal Arterial - Interstate

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.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length455 ft (138.7 m)
Longest span167 ft (50.9 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic18,067 (2024)
Projected traffic2,938 by 2032
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 28-279 Connector over SR 279 and Madison Ave built?

It was built in 2008, making it 17 years old in 2025.

What condition is 28-279 Connector over SR 279 and Madison Ave 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 February 2024.

How much traffic does 28-279 Connector over SR 279 and Madison Ave carry?

About 18,067 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is 28-279 Connector over SR 279 and Madison Ave?

The structure is 455 ft (138.7 m) long with a longest span of 167 ft (50.9 m) and a deck 28 ft wide.

Who owns 28-279 Connector over SR 279 and Madison Ave?

It is owned by the State Highway Agency.