US Bridges

I11SB over Buchanan Blvd Wapa Acces

Good

Clark County, Nevada · Boulder City Bypass · Structure no. H3169S

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
145 ft
1 main span
Daily traffic
8,550
2021 count
Owner
State
State Highway Agency

About this bridge

I11SB over Buchanan Blvd Wapa Acces is a prestressed concrete box beam or girders - single or spread carrying I11SB over Buchanan Blvd Wapa Acces in Clark County, Nevada. It was built in 2017, so it is 8 years old, younger than the Nevada average of 36.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,550 vehicles a day, projected to reach 84,793 by 2040. The structure is 145 ft (44.2 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI11SB
CrossesBuchanan Blvd Wapa Acces
LocationBoulder City Bypass
RouteInterstate 11
CountyClark County
StateNevada
Coordinates35.93408, -114.84138
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.1 US tons
Inventory rating61.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length145 ft (44.2 m)
Longest span142 ft (43.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,550 (2021)
Projected traffic84,793 by 2040
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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 I11SB over Buchanan Blvd Wapa Acces built?

It was built in 2017, making it 8 years old in 2025.

What condition is I11SB over Buchanan Blvd Wapa Acces in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does I11SB over Buchanan Blvd Wapa Acces carry?

About 8,550 vehicles per day (2021 count).

How long is I11SB over Buchanan Blvd Wapa Acces?

The structure is 145 ft (44.2 m) long with a longest span of 142 ft (43.3 m) and a deck 45 ft wide.

Who owns I11SB over Buchanan Blvd Wapa Acces?

It is owned by the State Highway Agency.