Structure G 947 · Clark County, NV

I 515 Us95 Us93 over Uprr & Main ST

Carries I 515 Us95 Us93 over Uprr & Main ST, Las Vegas.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,921 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

1,921 ft end to end, longest span 99 ft: about 5.3 football fields. Lengths and the semi-truck 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 or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built196858 years old
Length1920.9 ft585.5 m
Daily traffic177,000counted 2021
Last inspectedNovember 2023every 24 months

Location

StateNevada
CountyClark
LocationLas Vegas
CarriesI 515 Us95 Us93
CrossesUprr & Main ST
Coordinates36.17558, -115.14555

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length1920.9 ft (585.5 m)
Max Span99.1 ft (30.2 m)
Deck Width94.2 ft (28.7 m)
Deck Area16803.8 sq m
Main Spans23
Year Built1968

Traffic

Avg Daily Traffic177,000 (2021)
Truck Traffic3%
Lanes On Bridge6
Lanes Under Bridge9

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberG 947

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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