US Bridges

Golconda-Midas over I 80

Good

Humboldt County, Nevada · Golconda Midas Exit 184 · Structure no. I 754

Built
1960
65 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
233 ft
5 main spans
Daily traffic
430
2021 count
Owner
State
State Highway Agency

About this bridge

Golconda-Midas over I 80 is a concrete continuous box beam or girders - single or spread carrying Golconda-Midas over I 80 in Humboldt County, Nevada. It was built in 1960, so it is 65 years old, older 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 430 vehicles a day, roughly 5% of them trucks, projected to reach 552 by 2040. The structure is 233 ft (71 m) long and 31 ft wide.

CarriesGolconda-Midas
CrossesI 80
LocationGolconda Midas Exit 184
StateNevada
Coordinates40.94765, -117.49159
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length233 ft (71 m)
Longest span56 ft (17.1 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2021)
Projected traffic552 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Golconda-Midas over I 80 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Golconda-Midas over I 80 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 2023.

How much traffic does Golconda-Midas over I 80 carry?

About 430 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Golconda-Midas over I 80?

The structure is 233 ft (71 m) long with a longest span of 56 ft (17.1 m) and a deck 31 ft wide.

Who owns Golconda-Midas over I 80?

It is owned by the State Highway Agency.