US Bridges

Robb DR over I 80

Good

Washoe County, Nevada · West Reno · Structure no. I1922

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
285 ft
2 main spans
Daily traffic
20,100
2021 count
Owner
State
State Highway Agency

About this bridge

Robb DR over I 80 is a steel continuous stringer/multi-beam or girder carrying Robb DR over I 80 in Washoe County, Nevada. It was built in 1993, so it is 32 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 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 20,100 vehicles a day, roughly 5% of them trucks, projected to reach 53,000 by 2040. The structure is 285 ft (86.9 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRobb DR
CrossesI 80
LocationWest Reno
RouteCity Street 0
StateNevada
Coordinates39.51599, -119.88709
Functional classUrban Minor Arterial

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating62.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span155 ft (47.2 m)
Deck width81 ft (24.8 m)
Roadway width73 ft (22.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,100 (2021)
Projected traffic53,000 by 2040
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Robb DR over I 80 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Robb DR 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 May 2024.

How much traffic does Robb DR over I 80 carry?

About 20,100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Robb DR over I 80?

The structure is 285 ft (86.9 m) long with a longest span of 155 ft (47.2 m) and a deck 81 ft wide.

Who owns Robb DR over I 80?

It is owned by the State Highway Agency.