US Bridges

Gowan RD over Las Vegas Wash

Good

Clark County, Nevada · North Las Vegas · Structure no. B1885

Built
1990
35 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
4,700
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gowan RD over Las Vegas Wash is a concrete culvert carrying Gowan RD over Las Vegas Wash in Clark County, Nevada. It was built in 1990, so it is 35 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 4,700 vehicles a day, roughly 3% of them trucks, projected to reach 9,720 by 2040. The structure is 38 ft (11.6 m) long and 90 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGowan RD
CrossesLas Vegas Wash
LocationNorth Las Vegas
RouteCounty Highway 0
StateNevada
Coordinates36.225, -115.1075
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.4 US tons
Inventory rating33.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width90 ft (27.4 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2017)
Projected traffic9,720 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Gowan RD over Las Vegas Wash built?

It was built in 1990, making it 35 years old in 2025.

What condition is Gowan RD over Las Vegas 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 January 2023.

How much traffic does Gowan RD over Las Vegas Wash carry?

About 4,700 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Gowan RD over Las Vegas Wash?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 90 ft wide.

Who owns Gowan RD over Las Vegas Wash?

It is owned by the City or Municipal Highway Agency.