Structure B1891 · Clark County, NV

Summerlin Pw over Channel

Carries Summerlin Pw over Channel, Las Vegas.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 27 ft across. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built199036 years old
Length26.9 ft8.2 m
Daily traffic37,500counted 2021
Last inspectedDecember 2021every 48 months

Location

StateNevada
CountyClark
LocationLas Vegas
CarriesSummerlin Pw
CrossesChannel
Coordinates36.17820, -115.29237

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length26.9 ft (8.2 m)
Max Span26.9 ft (8.2 m)
Deck Area190.2 sq m
Main Spans1
Year Built1990

Traffic

Avg Daily Traffic37,500 (2021)
Truck Traffic3%
Lanes On Bridge5

Inspection & Ownership

Last InspectionDecember 2021
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberB1891

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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