US Bridges

SR 28 SB over CSX (avrr)

Good

Allegheny County, Pennsylvania · 500 S of Etna Interchng · Structure no. 000000000046283

Built
2009
16 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
261 ft
2 main spans
Daily traffic
33,049
2024 count
Owner
State
State Highway Agency

About this bridge

SR 28 SB over CSX (avrr) is a steel continuous stringer/multi-beam or girder carrying SR 28 SB over CSX (avrr) in Allegheny County, Pennsylvania. It was built in 2009, so it is 16 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 33,049 vehicles a day, roughly 7% of them trucks, projected to reach 33,638 by 2032. The structure is 261 ft (79.6 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 28 SB
CrossesCSX (avrr)
Location500 S of Etna Interchng
RouteState Highway 28
CountyAllegheny County
StatePennsylvania
Coordinates40.49424, -79.94313
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.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span130 ft (39.6 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,049 (2024)
Projected traffic33,638 by 2032
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 SR 28 SB over CSX (avrr) built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR 28 SB over CSX (avrr) 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 October 2022.

How much traffic does SR 28 SB over CSX (avrr) carry?

About 33,049 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 28 SB over CSX (avrr)?

The structure is 261 ft (79.6 m) long with a longest span of 130 ft (39.6 m) and a deck 58 ft wide.

Who owns SR 28 SB over CSX (avrr)?

It is owned by the State Highway Agency.