US Bridges

US 95 over Lower Humboldt Drain

Good

Churchill County, Nevada · North of Fallon · Structure no. B 680

Built
2005
20 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete
Length
67 ft
3 main spans
Daily traffic
1,200
2021 count
Owner
State
State Highway Agency

About this bridge

US 95 over Lower Humboldt Drain is a concrete culvert carrying US 95 over Lower Humboldt Drain in Churchill County, Nevada. It was built in 2005, so it is 20 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 1,200 vehicles a day, roughly 18% of them trucks, projected to reach 1,000 by 2040. The structure is 67 ft (20.4 m) long and 39 ft wide. If it were closed, the detour would be 77.1 mi (124 km).

CarriesUS 95
CrossesLower Humboldt Drain
LocationNorth of Fallon
RouteU.S. Route 95
StateNevada
Coordinates39.92492, -118.75024
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: 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 rating73 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length67 ft (20.4 m)
Longest span27 ft (8.1 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2021)
Projected traffic1,000 by 2040
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed77.1 mi (124 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$303,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 95 over Lower Humboldt Drain built?

It was built in 2005, making it 20 years old in 2025.

What condition is US 95 over Lower Humboldt Drain 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 May 2021.

How much traffic does US 95 over Lower Humboldt Drain carry?

About 1,200 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is US 95 over Lower Humboldt Drain?

The structure is 67 ft (20.4 m) long with a longest span of 27 ft (8.1 m) and a deck 39 ft wide.

Who owns US 95 over Lower Humboldt Drain?

It is owned by the State Highway Agency.