Structure H2979 · Clark County, NV

SE Off Ramp I 15 over F Street

Carries SE Off Ramp I 15 over F Street, Las Vegas N. Of I515 Us9.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT103 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

103 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built201313 years old
Length103.0 ft31.4 m
Daily traffic5,000counted 2017
Last inspectedFebruary 2021every 48 months

Location

StateNevada
CountyClark
LocationLas Vegas N. Of I515 Us9
CarriesSE Off Ramp I 15
CrossesF Street
Coordinates36.17869, -115.14936

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length103.0 ft (31.4 m)
Max Span94.2 ft (28.7 m)
Deck Width46.9 ft (14.3 m)
Deck Area449.0 sq m
Main Spans1
Year Built2013

Traffic

Avg Daily Traffic5,000 (2017)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionFebruary 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberH2979

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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