US Bridges

Mtn City Dump RD over Owyhee River

Good

Elko County, Nevada · Mountain City · Structure no. B1644

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
400
2021 count
Owner
County
County Highway Agency

About this bridge

Mtn City Dump RD over Owyhee River is a prestressed concrete stringer/multi-beam or girder carrying Mtn City Dump RD over Owyhee River in Elko County, Nevada. It was built in 1999, so it is 26 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 400 vehicles a day, projected to reach 67 by 2040. The structure is 110 ft (33.5 m) long and 31 ft wide. If it were closed, the detour would be 77.1 mi (124 km).

CarriesMtn City Dump RD
CrossesOwyhee River
LocationMountain City
RouteCounty Highway 0
StateNevada
Coordinates41.84068, -115.96662
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 rating38.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2021)
Projected traffic67 by 2040
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Mtn City Dump RD over Owyhee River built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mtn City Dump RD over Owyhee River 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 August 2024.

How much traffic does Mtn City Dump RD over Owyhee River carry?

About 400 vehicles per day (2021 count).

How long is Mtn City Dump RD over Owyhee River?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 31 ft wide.

Who owns Mtn City Dump RD over Owyhee River?

It is owned by the County Highway Agency.