US Bridges

US 93 over Old US 93

Good

Clark County, Nevada · Hoover Dam Reservation · Structure no. H2702

Built
2010
15 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
465 ft
3 main spans
Daily traffic
18,300
2021 count
Owner
State
State Highway Agency

About this bridge

US 93 over Old US 93 is a prestressed concrete continuous box beam or girders - single or spread carrying US 93 over Old US 93 in Clark County, Nevada. It was built in 2010, so it is 15 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 18,300 vehicles a day, roughly 26% of them trucks, projected to reach 30,000 by 2040. The structure is 465 ft (141.8 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 93
CrossesOld US 93
LocationHoover Dam Reservation
RouteU.S. Route 93
StateNevada
Coordinates36.01469, -114.75564
Functional classRural Principal Arterial - Other

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.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length465 ft (141.8 m)
Longest span175 ft (53.3 m)
Deck width81 ft (24.7 m)
Roadway width75 ft (23 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,300 (2021)
Projected traffic30,000 by 2040
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 US 93 over Old US 93 built?

It was built in 2010, making it 15 years old in 2025.

What condition is US 93 over Old US 93 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 March 2024.

How much traffic does US 93 over Old US 93 carry?

About 18,300 vehicles per day (2021 count), of which roughly 26% are trucks.

How long is US 93 over Old US 93?

The structure is 465 ft (141.8 m) long with a longest span of 175 ft (53.3 m) and a deck 81 ft wide.

Who owns US 93 over Old US 93?

It is owned by the State Highway Agency.