US Bridges

I 580 over Dry Crk

Good

Washoe County, Nevada · South Reno · Structure no. B1829

Built
1988
37 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
66 ft
4 main spans
Daily traffic
108,000
2021 count
Owner
State
State Highway Agency

About this bridge

I 580 over Dry Crk is a concrete culvert carrying I 580 over Dry Crk in Washoe County, Nevada. It was built in 1988, so it is 37 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 108,000 vehicles a day, roughly 1% of them trucks, projected to reach 139,000 by 2040. The structure is 66 ft (20.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 580
CrossesDry Crk
LocationSouth Reno
RouteInterstate 580
StateNevada
Coordinates39.45777, -119.78325
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108,000 (2021)
Projected traffic139,000 by 2040
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 580 over Dry Crk built?

It was built in 1988, making it 37 years old in 2025.

What condition is I 580 over Dry Crk 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 2022.

How much traffic does I 580 over Dry Crk carry?

About 108,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is I 580 over Dry Crk?

The structure is 66 ft (20.1 m) long with a longest span of 15 ft (4.6 m).

Who owns I 580 over Dry Crk?

It is owned by the State Highway Agency.