US Bridges

SR 159/CHARLESTON over Red Rock Wash

Good

Clark County, Nevada · West of Las Vegas · Structure no. B1778

Built
1985
40 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
74 ft
7 main spans
Daily traffic
3,400
2017 count
Owner
State
State Highway Agency

About this bridge

SR 159/CHARLESTON over Red Rock Wash is a concrete culvert carrying SR 159/CHARLESTON over Red Rock Wash in Clark County, Nevada. It was built in 1985, so it is 40 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 3,400 vehicles a day, roughly 3% of them trucks, projected to reach 4,000 by 2040. The structure is 74 ft (22.6 m) long. If it were closed, the detour would be 27.3 mi (44 km).

CarriesSR 159/CHARLESTON
CrossesRed Rock Wash
LocationWest of Las Vegas
RouteState Highway 159
StateNevada
Coordinates36.12939, -115.42611
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadHS 20 + Mod
Structure length74 ft (22.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2017)
Projected traffic4,000 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed27.3 mi (44 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 159/CHARLESTON over Red Rock Wash built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 159/CHARLESTON over Red Rock Wash 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 October 2024.

How much traffic does SR 159/CHARLESTON over Red Rock Wash carry?

About 3,400 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is SR 159/CHARLESTON over Red Rock Wash?

The structure is 74 ft (22.6 m) long with a longest span of 10 ft (3 m).

Who owns SR 159/CHARLESTON over Red Rock Wash?

It is owned by the State Highway Agency.