US Bridges

N Simmons ST over Gowan Outfall Channel

Good

Clark County, Nevada · North Las Vegas · Structure no. B2640

Built
1990
35 years old
Condition
Good
inspected December 2020
Type
Culvert
Concrete
Length
38 ft
1 main span
Daily traffic
2,200
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Simmons ST over Gowan Outfall Channel is a concrete culvert carrying N Simmons ST over Gowan Outfall Channel 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 2,200 vehicles a day, roughly 1% of them trucks, projected to reach 4,550 by 2040. The structure is 38 ft (11.5 m) long and 114 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN Simmons ST
CrossesGowan Outfall Channel
LocationNorth Las Vegas
RouteCity Street 0
StateNevada
Coordinates36.24305, -115.1801
Functional classUrban Local

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 inspectionDecember 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating42.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length38 ft (11.5 m)
Longest span38 ft (11.5 m)
Deck width114 ft (34.6 m)
Roadway width89 ft (27.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2017)
Projected traffic4,550 by 2040
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 N Simmons ST over Gowan Outfall Channel built?

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

What condition is N Simmons ST over Gowan Outfall Channel 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 December 2020.

How much traffic does N Simmons ST over Gowan Outfall Channel carry?

About 2,200 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is N Simmons ST over Gowan Outfall Channel?

The structure is 38 ft (11.5 m) long with a longest span of 38 ft (11.5 m) and a deck 114 ft wide.

Who owns N Simmons ST over Gowan Outfall Channel?

It is owned by the City or Municipal Highway Agency.