US Bridges

S Decatur Blvd over Blue Diamond Wash

Good

Clark County, Nevada · 150 Ft S of W Patrick LN · Structure no. B3272

Built
2000
25 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
32,000
2014 count
Owner
County
County Highway Agency

About this bridge

S Decatur Blvd over Blue Diamond Wash is a concrete culvert carrying S Decatur Blvd over Blue Diamond Wash in Clark County, Nevada. It was built in 2000, so it is 25 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 32,000 vehicles a day, roughly 2% of them trucks, projected to reach 37,000 by 2037. The structure is 23 ft (7 m) long and 123 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesS Decatur Blvd
CrossesBlue Diamond Wash
Location150 Ft S of W Patrick LN
RouteCity Street 0
StateNevada
Coordinates36.07862, -115.2079
Functional classUrban Minor Arterial

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 inspectionNovember 2024
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 rating70.2 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width123 ft (37.5 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2014)
Projected traffic37,000 by 2037
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 S Decatur Blvd over Blue Diamond Wash built?

It was built in 2000, making it 25 years old in 2025.

What condition is S Decatur Blvd over Blue Diamond 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 November 2024.

How much traffic does S Decatur Blvd over Blue Diamond Wash carry?

About 32,000 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is S Decatur Blvd over Blue Diamond Wash?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 123 ft wide.

Who owns S Decatur Blvd over Blue Diamond Wash?

It is owned by the County Highway Agency.