US Bridges

I 580 over SR659 Mccarran Bl

Fair

Washoe County, Nevada · South Reno · Structure no. H1798

Built
1986
39 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
2 main spans
Daily traffic
86,000
2021 count
Owner
State
State Highway Agency

About this bridge

I 580 over SR659 Mccarran Bl is a steel continuous stringer/multi-beam or girder carrying I 580 over SR659 Mccarran Bl in Washoe County, Nevada. It was built in 1986, so it is 39 years old, older than the Nevada average of 36.4 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 86,000 vehicles a day, roughly 6% of them trucks, projected to reach 145,000 by 2040. The structure is 218 ft (66.4 m) long and 150 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 580
CrossesSR659 Mccarran Bl
LocationSouth Reno
RouteInterstate 580
CountyWashoe County
StateNevada
Coordinates39.47692, -119.7909
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating63.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length218 ft (66.4 m)
Longest span107 ft (32.6 m)
Deck width150 ft (45.7 m)
Roadway width145 ft (44.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86,000 (2021)
Projected traffic145,000 by 2040
Trucks6%
Lanes on structure8
Traffic directionTwo-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$12.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 580 over SR659 Mccarran Bl built?

It was built in 1986, making it 39 years old in 2025.

What condition is I 580 over SR659 Mccarran Bl 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 May 2024.

How much traffic does I 580 over SR659 Mccarran Bl carry?

About 86,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I 580 over SR659 Mccarran Bl?

The structure is 218 ft (66.4 m) long with a longest span of 107 ft (32.6 m) and a deck 150 ft wide.

Who owns I 580 over SR659 Mccarran Bl?

It is owned by the State Highway Agency.