US Bridges

SR 659/MCCARRAN over Truckee River

Fair

Washoe County, Nevada · Sparks · Structure no. B1300

Built
1971
54 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
226 ft
3 main spans
Daily traffic
22,200
2021 count
Owner
State
State Highway Agency

About this bridge

SR 659/MCCARRAN over Truckee River is a concrete box beam or girders - multiple carrying SR 659/MCCARRAN over Truckee River in Washoe County, Nevada. It was built in 1971, so it is 54 years old, older than the Nevada average of 36.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 22,200 vehicles a day, roughly 6% of them trucks, projected to reach 64,529 by 2040. The structure is 226 ft (68.9 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR 659/MCCARRAN
CrossesTruckee River
LocationSparks
RouteCity Street 659
CountyWashoe County
StateNevada
Coordinates39.5174, -119.74086
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.6 US tons
Inventory rating43.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length226 ft (68.9 m)
Longest span75 ft (22.9 m)
Deck width87 ft (26.5 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,200 (2021)
Projected traffic64,529 by 2040
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 SR 659/MCCARRAN over Truckee River built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 659/MCCARRAN over Truckee River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does SR 659/MCCARRAN over Truckee River carry?

About 22,200 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR 659/MCCARRAN over Truckee River?

The structure is 226 ft (68.9 m) long with a longest span of 75 ft (22.9 m) and a deck 87 ft wide.

Who owns SR 659/MCCARRAN over Truckee River?

It is owned by the State Highway Agency.