US Bridges

Carsn Rvr RD over Carson Rvr Overflow

Fair

Carson City, Nevada · Carson City · Structure no. M1872B

Built
1990
35 years old
Condition
Fair
inspected March 2021
Type
Culvert
Steel
Length
54 ft
6 main spans
Daily traffic
820
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carsn Rvr RD over Carson Rvr Overflow is a steel culvert carrying Carsn Rvr RD over Carson Rvr Overflow in Carson City, Nevada. It was built in 1990, so it is 35 years old, younger 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 820 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2040. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 5.6 mi (9 km).

CarriesCarsn Rvr RD
CrossesCarson Rvr Overflow
LocationCarson City
RouteState Highway 0
StateNevada
Coordinates39.14231, -119.70622
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadHS 20 + Mod
Structure length54 ft (16.5 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2017)
Projected traffic1,000 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 Carsn Rvr RD over Carson Rvr Overflow built?

It was built in 1990, making it 35 years old in 2025.

What condition is Carsn Rvr RD over Carson Rvr Overflow 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 March 2021.

How much traffic does Carsn Rvr RD over Carson Rvr Overflow carry?

About 820 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Carsn Rvr RD over Carson Rvr Overflow?

The structure is 54 ft (16.5 m) long with a longest span of 6 ft (1.8 m).

Who owns Carsn Rvr RD over Carson Rvr Overflow?

It is owned by the City or Municipal Highway Agency.