US Bridges

Braddock Avenue over Norfolk Southern RR

Good

Allegheny County, Pennsylvania · NS01 Kenmawr Bridge · Structure no. 000000000056656

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
124 ft
2 main spans
Daily traffic
15,000
2005 count
Owner
County
County Highway Agency

About this bridge

Braddock Avenue over Norfolk Southern RR is a steel continuous stringer/multi-beam or girder carrying Braddock Avenue over Norfolk Southern RR in Allegheny County, Pennsylvania. It was built in 2021, so it is 4 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 15,000 vehicles a day, roughly 5% of them trucks, projected to reach 18,000 by 2025. The structure is 124 ft (37.8 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBraddock Avenue
CrossesNorfolk Southern RR
LocationNS01 Kenmawr Bridge
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.4142, -79.8766
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length124 ft (37.8 m)
Longest span73 ft (22.3 m)
Deck width41 ft (12.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck21 ft (6.5 m)

Traffic and service

Average daily traffic15,000 (2005)
Projected traffic18,000 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Braddock Avenue over Norfolk Southern RR built?

It was built in 2021, making it 4 years old in 2025.

What condition is Braddock Avenue over Norfolk Southern 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 July 2023.

How much traffic does Braddock Avenue over Norfolk Southern RR carry?

About 15,000 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Braddock Avenue over Norfolk Southern RR?

The structure is 124 ft (37.8 m) long with a longest span of 73 ft (22.3 m) and a deck 41 ft wide.

Who owns Braddock Avenue over Norfolk Southern RR?

It is owned by the County Highway Agency.