US Bridges

US 50 over Carson River

Fair

Churchill County, Nevada · West of Fallon · Structure no. B1557

Built
1980
45 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
184 ft
3 main spans
Daily traffic
16,800
2021 count
Owner
State
State Highway Agency

About this bridge

US 50 over Carson River is a steel continuous stringer/multi-beam or girder carrying US 50 over Carson River in Churchill County, Nevada. It was built in 1980, so it is 45 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 6 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 16,800 vehicles a day, roughly 6% of them trucks, projected to reach 22,000 by 2040. The structure is 184 ft (56.1 m) long and 100 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesUS 50
CrossesCarson River
LocationWest of Fallon
RouteU.S. Route 50
StateNevada
Coordinates39.48, -118.81513
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.2 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length184 ft (56.1 m)
Longest span72 ft (21.9 m)
Deck width100 ft (30.5 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,800 (2021)
Projected traffic22,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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 US 50 over Carson River built?

It was built in 1980, making it 45 years old in 2025.

What condition is US 50 over Carson 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 February 2023.

How much traffic does US 50 over Carson River carry?

About 16,800 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US 50 over Carson River?

The structure is 184 ft (56.1 m) long with a longest span of 72 ft (21.9 m) and a deck 100 ft wide.

Who owns US 50 over Carson River?

It is owned by the State Highway Agency.