Structure I1415 · Clark County, NV

Ann RD over US 95

Carries Ann RD over US 95, Las Vegas.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT307 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 8/9

307 ft end to end, longest span 154 ft: about 4 semi-trucks nose to tail. 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.

Built199729 years old
Length307.1 ft93.6 m
Daily traffic29,500counted 2017
Last inspectedJanuary 2024every 24 months

Location

StateNevada
CountyClark
LocationLas Vegas
CarriesAnn RD
CrossesUS 95
Coordinates36.26316, -115.25392

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Single/Spread
Total Length307.1 ft (93.6 m)
Max Span153.9 ft (46.9 m)
Deck Width134.8 ft (41.1 m)
Deck Area3847.0 sq m
Main Spans2
Year Built1997

Traffic

Avg Daily Traffic29,500 (2017)
Lanes On Bridge9
Lanes Under Bridge12

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberI1415

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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