US Bridges

I 580N over Carmine ST

Good

Carson City, Nevada · Carson City · Structure no. H2294N

Built
2006
19 years old
Condition
Good
inspected April 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
20,250
2021 count
Owner
State
State Highway Agency

About this bridge

I 580N over Carmine ST is a prestressed concrete box beam or girders - multiple carrying I 580N over Carmine ST in Carson City, Nevada. It was built in 2006, so it is 19 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,250 vehicles a day, roughly 5% of them trucks, projected to reach 17,000 by 2040. The structure is 135 ft (41.1 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 580N
CrossesCarmine ST
LocationCarson City
RouteU.S. Route 395
CountyCarson City
StateNevada
Coordinates39.17919, -119.74279
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating81 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length135 ft (41.1 m)
Longest span133 ft (40.5 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,250 (2021)
Projected traffic17,000 by 2040
Trucks5%
Lanes on structure3
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 580N over Carmine ST built?

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

What condition is I 580N over Carmine ST 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 April 2021.

How much traffic does I 580N over Carmine ST carry?

About 20,250 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is I 580N over Carmine ST?

The structure is 135 ft (41.1 m) long with a longest span of 133 ft (40.5 m) and a deck 55 ft wide.

Who owns I 580N over Carmine ST?

It is owned by the State Highway Agency.