US Bridges

Cornell Av over I-279 Pkwy N Spruce Run

Fair

Allegheny County, Pennsylvania · XP05 Levi Bird Duff Brg · Structure no. 000000000002206

Built
1983
42 years old, rebuilt 2013
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
830 ft
4 main spans
Daily traffic
5,500
2005 count
Owner
County
County Highway Agency

About this bridge

Cornell Av over I-279 Pkwy N Spruce Run is a steel continuous stringer/multi-beam or girder carrying Cornell Av over I-279 Pkwy N Spruce Run in Allegheny County, Pennsylvania. It was built in 1983 and reconstructed in 2013, so it is 42 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 5,500 vehicles a day, roughly 5% of them trucks, projected to reach 7,000 by 2025. The structure is 830 ft (253 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCornell Av
CrossesI-279 Pkwy N Spruce Run
LocationXP05 Levi Bird Duff Brg
RouteCounty Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.50888, -80.04668
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20
Structure length830 ft (253 m)
Longest span200 ft (61 m)
Deck width41 ft (12.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2005)
Projected traffic7,000 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Cornell Av over I-279 Pkwy N Spruce Run built?

It was built in 1983, making it 42 years old in 2025. It was reconstructed in 2013.

What condition is Cornell Av over I-279 Pkwy N Spruce 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 September 2023.

How much traffic does Cornell Av over I-279 Pkwy N Spruce Run carry?

About 5,500 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Cornell Av over I-279 Pkwy N Spruce Run?

The structure is 830 ft (253 m) long with a longest span of 200 ft (61 m) and a deck 41 ft wide.

Who owns Cornell Av over I-279 Pkwy N Spruce Run?

It is owned by the County Highway Agency.