US Bridges

Bridge Street over Humboldt River

Fair

Humboldt County, Nevada · Winnemucca · Structure no. B1656

Built
1910
115 years old, rebuilt 2004
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete Continuous
Length
129 ft
2 main spans
Daily traffic
600
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bridge Street over Humboldt River is a concrete continuous arch - deck carrying Bridge Street over Humboldt River in Humboldt County, Nevada. It was built in 1910 and reconstructed in 2004, so it is 115 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 600 vehicles a day, roughly 1% of them trucks, projected to reach 663 by 2040. The structure is 129 ft (39.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBridge Street
CrossesHumboldt River
LocationWinnemucca
RouteCity Street 0
StateNevada
Coordinates40.97655, -117.73922
Functional classUrban 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
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length129 ft (39.3 m)
Longest span62 ft (18.9 m)
Deck width31 ft (9.6 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2017)
Projected traffic663 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$588,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bridge Street over Humboldt River built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 2004.

What condition is Bridge Street over Humboldt 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 July 2023.

How much traffic does Bridge Street over Humboldt River carry?

About 600 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Bridge Street over Humboldt River?

The structure is 129 ft (39.3 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.

Who owns Bridge Street over Humboldt River?

It is owned by the City or Municipal Highway Agency.