Structure I1210R · Clark County, NV

Rmp EB Smrln-us95n over Us95

Carries Rmp EB Smrln-us95n over Us95, Las Vegas.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT421 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

421 ft end to end, longest span 154 ft: about 6 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.

Built200620 years old
Length420.6 ft128.2 m
Daily traffic38,000counted 2021
Last inspectedDecember 2023every 24 months

Location

StateNevada
CountyClark
LocationLas Vegas
CarriesRmp EB Smrln-us95n
CrossesUs95
Coordinates36.17716, -115.24393

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length420.6 ft (128.2 m)
Max Span154.2 ft (47 m)
Deck Width30.5 ft (9.3 m)
Deck Area1192.3 sq m
Main Spans3
Year Built2006

Traffic

Avg Daily Traffic38,000 (2021)
Truck Traffic2%
Lanes On Bridge1
Lanes Under Bridge10

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberI1210R

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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