US Bridges

I 580 NB over SR648 Glendale Av

Good

Washoe County, Nevada · Reno · Structure no. I1253

Built
1977
48 years old, rebuilt 2018
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Steel
Length
165 ft
1 main span
Daily traffic
163,000
2021 count
Owner
State
State Highway Agency

About this bridge

I 580 NB over SR648 Glendale Av is a steel box beam or girders - multiple carrying I 580 NB over SR648 Glendale Av in Washoe County, Nevada. It was built in 1977 and reconstructed in 2018, so it is 48 years old, older than the Nevada average of 36.4 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 163,000 vehicles a day, roughly 7% of them trucks, projected to reach 112,500 by 2040. The structure is 165 ft (50.3 m) long and 117 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 580 NB
CrossesSR648 Glendale Av
LocationReno
RouteInterstate 580
StateNevada
Coordinates39.52747, -119.78387
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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 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 rating72.6 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length165 ft (50.3 m)
Longest span160 ft (48.8 m)
Deck width117 ft (35.7 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163,000 (2021)
Projected traffic112,500 by 2040
Trucks7%
Lanes on structure7
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 580 NB over SR648 Glendale Av built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2018.

What condition is I 580 NB over SR648 Glendale Av 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 May 2024.

How much traffic does I 580 NB over SR648 Glendale Av carry?

About 163,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I 580 NB over SR648 Glendale Av?

The structure is 165 ft (50.3 m) long with a longest span of 160 ft (48.8 m) and a deck 117 ft wide.

Who owns I 580 NB over SR648 Glendale Av?

It is owned by the State Highway Agency.