US Bridges

North Av over Girtys Run

Fair

Allegheny County, Pennsylvania · North Ave at Klopfer ST · Structure no. 000000000002618

Built
2006
19 years old
Condition
Fair
inspected April 2024
Type
Other
Steel
Length
55 ft
1 main span
Daily traffic
4,500
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Av over Girtys Run is a steel other carrying North Av over Girtys Run in Allegheny County, Pennsylvania. It was built in 2006, so it is 19 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,500 vehicles a day, roughly 6% of them trucks, projected to reach 4,950 by 2025. The structure is 55 ft (16.8 m) long and 89 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNorth Av
CrossesGirtys Run
LocationNorth Ave at Klopfer ST
RouteCity Street 0
CountyAllegheny County
StatePennsylvania
Coordinates40.48566, -79.97312
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeOther
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span54 ft (16.5 m)
Deck width89 ft (27 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2010)
Projected traffic4,950 by 2025
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$351,000
NavigationNo navigation control on waterway

Frequently asked questions

When was North Av over Girtys Run built?

It was built in 2006, making it 19 years old in 2025.

What condition is North Av over Girtys Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does North Av over Girtys Run carry?

About 4,500 vehicles per day (2010 count), of which roughly 6% are trucks.

How long is North Av over Girtys Run?

The structure is 55 ft (16.8 m) long with a longest span of 54 ft (16.5 m) and a deck 89 ft wide.

Who owns North Av over Girtys Run?

It is owned by the City or Municipal Highway Agency.