US Bridges

Swenson ST over Tropicana Wash

Good

Clark County, Nevada · Las Vegas · Structure no. B1719

Built
1980
45 years old
Condition
Good
inspected January 2021
Type
Culvert
Concrete
Length
105 ft
6 main spans
Daily traffic
20,000
2017 count
Owner
County
County Highway Agency

About this bridge

Swenson ST over Tropicana Wash is a concrete culvert carrying Swenson ST over Tropicana Wash in Clark County, Nevada. It was built in 1980, so it is 45 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 20,000 vehicles a day, roughly 3% of them trucks, projected to reach 41,362 by 2040. The structure is 105 ft (32 m) long and 85 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSwenson ST
CrossesTropicana Wash
LocationLas Vegas
RouteCity Street 616
StateNevada
Coordinates36.11376, -115.1466
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 2021
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 rating110.1 US tons
Inventory rating71.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadHS 20
Structure length105 ft (32 m)
Longest span17 ft (5.2 m)
Deck width85 ft (25.9 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2017)
Projected traffic41,362 by 2040
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Swenson ST over Tropicana Wash built?

It was built in 1980, making it 45 years old in 2025.

What condition is Swenson ST over Tropicana 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 2021.

How much traffic does Swenson ST over Tropicana Wash carry?

About 20,000 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Swenson ST over Tropicana Wash?

The structure is 105 ft (32 m) long with a longest span of 17 ft (5.2 m) and a deck 85 ft wide.

Who owns Swenson ST over Tropicana Wash?

It is owned by the County Highway Agency.