US Bridges

I580S Off-Rmp Mill over E2nd ST On-Ramp to I580S

Good

Washoe County, Nevada · Sbx · Structure no. H3269

Built
2023
2 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
38 ft
1 main span
Daily traffic
8,650
2022 count
Owner
State
State Highway Agency

About this bridge

I580S Off-Rmp Mill over E2nd ST On-Ramp to I580S is a concrete culvert carrying I580S Off-Rmp Mill over E2nd ST On-Ramp to I580S in Washoe County, Nevada. It was built in 2023, so it is 2 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 8,650 vehicles a day, roughly 3% of them trucks, projected to reach 9,515 by 2042. The structure is 38 ft (11.6 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI580S Off-Rmp Mill
CrossesE2nd ST On-Ramp to I580S
LocationSbx
RouteInterstate 580
StateNevada
Coordinates39.52242, -119.78437
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
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.9 US tons
Inventory rating75.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,650 (2022)
Projected traffic9,515 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 I580S Off-Rmp Mill over E2nd ST On-Ramp to I580S built?

It was built in 2023, making it 2 years old in 2025.

What condition is I580S Off-Rmp Mill over E2nd ST On-Ramp to I580S 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 2023.

How much traffic does I580S Off-Rmp Mill over E2nd ST On-Ramp to I580S carry?

About 8,650 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is I580S Off-Rmp Mill over E2nd ST On-Ramp to I580S?

The structure is 38 ft (11.6 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns I580S Off-Rmp Mill over E2nd ST On-Ramp to I580S?

It is owned by the State Highway Agency.