US Bridges

Washington ST over I 80

Good

Washoe County, Nevada · Reno · Structure no. H 990

Built
1970
55 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
249 ft
4 main spans
Daily traffic
2,550
2021 count
Owner
State
State Highway Agency

About this bridge

Washington ST over I 80 is a concrete continuous box beam or girders - multiple carrying Washington ST over I 80 in Washoe County, Nevada. It was built in 1970, so it is 55 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 2,550 vehicles a day, roughly 3% of them trucks, projected to reach 10,300 by 2040. The structure is 249 ft (75.9 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWashington ST
CrossesI 80
LocationReno
RouteCity Street 0
StateNevada
Coordinates39.53176, -119.82452
Functional classUrban Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating24.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length249 ft (75.9 m)
Longest span72 ft (21.9 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2021)
Projected traffic10,300 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Washington ST over I 80 built?

It was built in 1970, making it 55 years old in 2025.

What condition is Washington ST over I 80 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 June 2024.

How much traffic does Washington ST over I 80 carry?

About 2,550 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Washington ST over I 80?

The structure is 249 ft (75.9 m) long with a longest span of 72 ft (21.9 m) and a deck 64 ft wide.

Who owns Washington ST over I 80?

It is owned by the State Highway Agency.