US Bridges

Mayberry DR over Truckee River

Fair

Washoe County, Nevada · West of Reno · Structure no. B1487

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
248 ft
3 main spans
Daily traffic
3,900
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mayberry DR over Truckee River is a steel stringer/multi-beam or girder carrying Mayberry DR over Truckee River in Washoe County, Nevada. It was built in 1975, so it is 50 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 3,900 vehicles a day, roughly 3% of them trucks, projected to reach 6,400 by 2040. The structure is 248 ft (75.6 m) long and 63 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMayberry DR
CrossesTruckee River
LocationWest of Reno
RouteState Highway 649
StateNevada
Coordinates39.50674, -119.888
Functional classUrban Minor 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating29.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length248 ft (75.6 m)
Longest span131 ft (39.8 m)
Deck width63 ft (19.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2017)
Projected traffic6,400 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mayberry DR over Truckee River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Mayberry DR 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 June 2024.

How much traffic does Mayberry DR over Truckee River carry?

About 3,900 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Mayberry DR over Truckee River?

The structure is 248 ft (75.6 m) long with a longest span of 131 ft (39.8 m) and a deck 63 ft wide.

Who owns Mayberry DR over Truckee River?

It is owned by the City or Municipal Highway Agency.