US Bridges

Lone Mountain Rd. over US 95

Fair

Clark County, Nevada · Las Vegas · Structure no. H1220

Built
1998
27 years old, rebuilt 2022
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
215 ft
2 main spans
Daily traffic
11,000
2017 count
Owner
State
State Highway Agency

About this bridge

Lone Mountain Rd. over US 95 is a prestressed concrete continuous box beam or girders - single or spread carrying Lone Mountain Rd. over US 95 in Clark County, Nevada. It was built in 1998 and reconstructed in 2022, so it is 27 years old, younger 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 11,000 vehicles a day, roughly 5% of them trucks, projected to reach 142,000 by 2040. The structure is 215 ft (65.5 m) long and 81 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLone Mountain Rd.
CrossesUS 95
LocationLas Vegas
RouteState Highway 0
CountyClark County
StateNevada
Coordinates36.24797, -115.24673
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length215 ft (65.5 m)
Longest span110 ft (33.5 m)
Deck width81 ft (24.8 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2017)
Projected traffic142,000 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lone Mountain Rd. over US 95 built?

It was built in 1998, making it 27 years old in 2025. It was reconstructed in 2022.

What condition is Lone Mountain Rd. over US 95 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 December 2023.

How much traffic does Lone Mountain Rd. over US 95 carry?

About 11,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Lone Mountain Rd. over US 95?

The structure is 215 ft (65.5 m) long with a longest span of 110 ft (33.5 m) and a deck 81 ft wide.

Who owns Lone Mountain Rd. over US 95?

It is owned by the State Highway Agency.