US Bridges

I 15S over FR CL10 Hidden Vly

Fair

Clark County, Nevada · Southwest of Glendale · Structure no. I 841S

Built
1961
64 years old
Condition
Fair
inspected January 2021
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
12,900
2021 count
Owner
State
State Highway Agency

About this bridge

I 15S over FR CL10 Hidden Vly is a concrete continuous slab carrying I 15S over FR CL10 Hidden Vly in Clark County, Nevada. It was built in 1961, so it is 64 years old, older than the Nevada average of 36.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,900 vehicles a day, roughly 24% of them trucks, projected to reach 17,889 by 2040. The structure is 100 ft (30.5 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI 15S
CrossesFR CL10 Hidden Vly
LocationSouthwest of Glendale
RouteInterstate 15
CountyClark County
StateNevada
Coordinates36.63729, -114.59994
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.7 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length100 ft (30.5 m)
Longest span38 ft (11.6 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,900 (2021)
Projected traffic17,889 by 2040
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 15S over FR CL10 Hidden Vly built?

It was built in 1961, making it 64 years old in 2025.

What condition is I 15S over FR CL10 Hidden Vly in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2021.

How much traffic does I 15S over FR CL10 Hidden Vly carry?

About 12,900 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is I 15S over FR CL10 Hidden Vly?

The structure is 100 ft (30.5 m) long with a longest span of 38 ft (11.6 m) and a deck 43 ft wide.

Who owns I 15S over FR CL10 Hidden Vly?

It is owned by the State Highway Agency.