US Bridges

SR 170 Bunkerville over Virgin River

Good

Clark County, Nevada · Mesquite · Structure no. B 89

Built
2009
16 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
950 ft
6 main spans
Daily traffic
4,950
2021 count
Owner
State
State Highway Agency

About this bridge

SR 170 Bunkerville over Virgin River is a steel continuous stringer/multi-beam or girder carrying SR 170 Bunkerville over Virgin River in Clark County, Nevada. It was built in 2009, so it is 16 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,950 vehicles a day, roughly 2% of them trucks, projected to reach 8,066 by 2040. The structure is 950 ft (289.6 m) long and 47 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesSR 170 Bunkerville
CrossesVirgin River
LocationMesquite
RouteState Highway 170
CountyClark County
StateNevada
Coordinates36.79028, -114.09385
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating56.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length950 ft (289.6 m)
Longest span165 ft (50.3 m)
Deck width47 ft (14.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,950 (2021)
Projected traffic8,066 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 170 Bunkerville over Virgin River built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR 170 Bunkerville over Virgin River 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 December 2023.

How much traffic does SR 170 Bunkerville over Virgin River carry?

About 4,950 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is SR 170 Bunkerville over Virgin River?

The structure is 950 ft (289.6 m) long with a longest span of 165 ft (50.3 m) and a deck 47 ft wide.

Who owns SR 170 Bunkerville over Virgin River?

It is owned by the State Highway Agency.