US Bridges

Lwr S Fork RD over S Fork Humboldt Rvr

Good

Elko County, Nevada · South of Elko · Structure no. B 356

Built
2002
23 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
125
2017 count
Owner
County
County Highway Agency

About this bridge

Lwr S Fork RD over S Fork Humboldt Rvr is a steel stringer/multi-beam or girder carrying Lwr S Fork RD over S Fork Humboldt Rvr in Elko County, Nevada. It was built in 2002, so it is 23 years old, younger than the Nevada average of 36.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 125 vehicles a day, roughly 3% of them trucks, projected to reach 138 by 2040. The structure is 100 ft (30.4 m) long and 25 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesLwr S Fork RD
CrossesS Fork Humboldt Rvr
LocationSouth of Elko
RouteCounty Highway 0
CountyElko County
StateNevada
Coordinates40.62274, -115.72697
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.6 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length100 ft (30.4 m)
Longest span98 ft (30 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2017)
Projected traffic138 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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$482,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lwr S Fork RD over S Fork Humboldt Rvr built?

It was built in 2002, making it 23 years old in 2025.

What condition is Lwr S Fork RD over S Fork Humboldt Rvr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2022.

How much traffic does Lwr S Fork RD over S Fork Humboldt Rvr carry?

About 125 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Lwr S Fork RD over S Fork Humboldt Rvr?

The structure is 100 ft (30.4 m) long with a longest span of 98 ft (30 m) and a deck 25 ft wide.

Who owns Lwr S Fork RD over S Fork Humboldt Rvr?

It is owned by the County Highway Agency.