US Bridges

SR146 ST Rose Pw over Dry Wash

Fair

Clark County, Nevada · Southwest of Henderson · Structure no. B 603

Built
1956
69 years old, rebuilt 1998
Condition
Fair
inspected September 2021
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
45,000
2017 count
Owner
State
State Highway Agency

About this bridge

SR146 ST Rose Pw over Dry Wash is a concrete culvert carrying SR146 ST Rose Pw over Dry Wash in Clark County, Nevada. It was built in 1956 and reconstructed in 1998, so it is 69 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 45,000 vehicles a day, roughly 10% of them trucks, projected to reach 93,065 by 2040. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 20.5 mi (33 km).

Location

Open in Google Maps
CarriesSR146 ST Rose Pw
CrossesDry Wash
LocationSouthwest of Henderson
RouteState Highway 146
CountyClark County
StateNevada
Coordinates36.01129, -115.1085
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating38.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,000 (2017)
Projected traffic93,065 by 2040
Trucks10%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR146 ST Rose Pw over Dry Wash built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1998.

What condition is SR146 ST Rose Pw over Dry 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 September 2021.

How much traffic does SR146 ST Rose Pw over Dry Wash carry?

About 45,000 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is SR146 ST Rose Pw over Dry Wash?

The structure is 33 ft (10.2 m) long with a longest span of 10 ft (3 m).

Who owns SR146 ST Rose Pw over Dry Wash?

It is owned by the State Highway Agency.