US Bridges

Tarzyn Road over Carson River

Fair

Churchill County, Nevada · North of Fallon · Structure no. B1581

Built
1973
52 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
66
2017 count
Owner
County
County Highway Agency

About this bridge

Tarzyn Road over Carson River is a steel stringer/multi-beam or girder carrying Tarzyn Road over Carson River in Churchill County, Nevada. It was built in 1973, so it is 52 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 66 vehicles a day, projected to reach 164 by 2040. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

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CarriesTarzyn Road
CrossesCarson River
LocationNorth of Fallon
RouteCounty Highway 0
CountyChurchill County
StateNevada
Coordinates39.55844, -118.72675
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating17.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 15
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66 (2017)
Projected traffic164 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$273,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tarzyn Road over Carson River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Tarzyn Road 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 June 2023.

How much traffic does Tarzyn Road over Carson River carry?

About 66 vehicles per day (2017 count).

How long is Tarzyn Road over Carson River?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Tarzyn Road over Carson River?

It is owned by the County Highway Agency.