US Bridges

I 15 over UPRR

Fair

Clark County, Nevada · South of Las Vegas · Structure no. G 662N

Built
1959
66 years old, rebuilt 2001
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
272 ft
3 main spans
Daily traffic
26,000
2021 count
Owner
State
State Highway Agency

About this bridge

I 15 over UPRR is a concrete continuous box beam or girders - multiple carrying I 15 over UPRR in Clark County, Nevada. It was built in 1959 and reconstructed in 2001, so it is 66 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 26,000 vehicles a day, roughly 20% of them trucks, projected to reach 50,669 by 2040. The structure is 272 ft (82.9 m) long and 74 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 15
CrossesUPRR
LocationSouth of Las Vegas
RouteInterstate 15
StateNevada
Coordinates35.88076, -115.23144
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating51.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length272 ft (82.9 m)
Longest span110 ft (33.5 m)
Deck width74 ft (22.5 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2021)
Projected traffic50,669 by 2040
Trucks20%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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 I 15 over UPRR built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2001.

What condition is I 15 over UPRR 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 October 2024.

How much traffic does I 15 over UPRR carry?

About 26,000 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is I 15 over UPRR?

The structure is 272 ft (82.9 m) long with a longest span of 110 ft (33.5 m) and a deck 74 ft wide.

Who owns I 15 over UPRR?

It is owned by the State Highway Agency.