US Bridges

Swenson ST over Flamingo Wash

Fair

Clark County, Nevada · Las Vegas · Structure no. B1571

Built
1980
45 years old
Condition
Fair
inspected January 2021
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
16,000
2017 count
Owner
County
County Highway Agency

About this bridge

Swenson ST over Flamingo Wash is a concrete culvert carrying Swenson ST over Flamingo 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 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 16,000 vehicles a day, roughly 2% of them trucks, projected to reach 33,090 by 2040. The structure is 32 ft (9.8 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSwenson ST
CrossesFlamingo Wash
LocationLas Vegas
RouteCity Street 616
CountyClark County
StateNevada
Coordinates36.11649, -115.14627
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.9 US tons
Inventory rating51 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width82 ft (25 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2017)
Projected traffic33,090 by 2040
Trucks2%
Lanes on structure4
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 Flamingo Wash built?

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

What condition is Swenson ST over Flamingo Wash 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 January 2021.

How much traffic does Swenson ST over Flamingo Wash carry?

About 16,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Swenson ST over Flamingo Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 82 ft wide.

Who owns Swenson ST over Flamingo Wash?

It is owned by the County Highway Agency.