US Bridges

Northshore Road over Las Vegas Wash

Fair

Clark County, Nevada · Northeast from Henderson · Structure no. 8360001P0000000

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
420 ft
3 main spans
Daily traffic
2,000
2023 count
Owner
Federal
National Park Service

About this bridge

Northshore Road over Las Vegas Wash is a prestressed concrete continuous box beam or girders - single or spread carrying Northshore Road over Las Vegas Wash in Clark County, Nevada. It was built in 1977, so it is 48 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 5 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 2,000 vehicles a day, roughly 20% of them trucks, projected to reach 2,200 by 2043. The structure is 420 ft (128 m) long and 43 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesNorthshore Road
CrossesLas Vegas Wash
LocationNortheast from Henderson
RouteState Highway 147
CountyClark County
StateNevada
Coordinates36.12208, -114.90495
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length420 ft (128 m)
Longest span160 ft (48.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic2,200 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
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 Northshore Road over Las Vegas Wash built?

It was built in 1977, making it 48 years old in 2025.

What condition is Northshore Road over Las Vegas 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 March 2023.

How much traffic does Northshore Road over Las Vegas Wash carry?

About 2,000 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Northshore Road over Las Vegas Wash?

The structure is 420 ft (128 m) long with a longest span of 160 ft (48.8 m) and a deck 43 ft wide.

Who owns Northshore Road over Las Vegas Wash?

It is owned by the National Park Service.