US Bridges

IRR SR116 Stillwtr over Canal

Fair

Churchill County, Nevada · 6 MI East of Fallon · Structure no. B 292

Built
1987
38 years old
Condition
Fair
inspected January 2021
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
80
2017 count
Owner
State
State Highway Agency

About this bridge

IRR SR116 Stillwtr over Canal is a concrete culvert carrying IRR SR116 Stillwtr over Canal in Churchill County, Nevada. It was built in 1987, so it is 38 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 80 vehicles a day, roughly 6% of them trucks, projected to reach 199 by 2040. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 77.1 mi (124 km).

Location

Open in Google Maps
CarriesIRR SR116 Stillwtr
CrossesCanal
Location6 MI East of Fallon
RouteState Highway 116
CountyChurchill County
StateNevada
Coordinates39.5215, -118.556
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 rating69.1 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck24 ft (7.3 m)

Traffic and service

Average daily traffic80 (2017)
Projected traffic199 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed77.1 mi (124 km)
TollOn a free road
National Highway SystemNo

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 IRR SR116 Stillwtr over Canal built?

It was built in 1987, making it 38 years old in 2025.

What condition is IRR SR116 Stillwtr over Canal 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 January 2021.

How much traffic does IRR SR116 Stillwtr over Canal carry?

About 80 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is IRR SR116 Stillwtr over Canal?

The structure is 29 ft (8.8 m) long with a longest span of 8 ft (2.4 m).

Who owns IRR SR116 Stillwtr over Canal?

It is owned by the State Highway Agency.