US Bridges

Keystone Av over Truckee River

Poor

Washoe County, Nevada · Reno · Structure no. B1530

Built
1966
59 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
394 ft
4 main spans
Daily traffic
12,800
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Keystone Av over Truckee River is a steel stringer/multi-beam or girder carrying Keystone Av over Truckee River in Washoe County, Nevada. It was built in 1966, so it is 59 years old, older than the Nevada average of 36.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 12,800 vehicles a day, roughly 4% of them trucks, projected to reach 16,700 by 2040. The structure is 394 ft (120 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesKeystone Av
CrossesTruckee River
LocationReno
RouteCity Street 657
StateNevada
Coordinates39.52027, -119.82444
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.7 US tons
Inventory rating21.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length394 ft (120 m)
Longest span146 ft (44.5 m)
Deck width62 ft (18.9 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,800 (2017)
Projected traffic16,700 by 2040
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$2.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Keystone Av over Truckee River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Keystone Av over Truckee River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Keystone Av over Truckee River carry?

About 12,800 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Keystone Av over Truckee River?

The structure is 394 ft (120 m) long with a longest span of 146 ft (44.5 m) and a deck 62 ft wide.

Who owns Keystone Av over Truckee River?

It is owned by the City or Municipal Highway Agency.