US Bridges

I 15 over UPRR

Fair

Clark County, Nevada · Las Vegas · Structure no. G 805S

Built
1964
61 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
321 ft
3 main spans
Daily traffic
121,500
2021 count
Owner
State
State Highway Agency

About this bridge

I 15 over UPRR is a steel continuous stringer/multi-beam or girder carrying I 15 over UPRR in Clark County, Nevada. It was built in 1964, so it is 61 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 5 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 121,500 vehicles a day, roughly 7% of them trucks, projected to reach 333,000 by 2040. The structure is 321 ft (97.8 m) long and 108 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 15
CrossesUPRR
LocationLas Vegas
RouteInterstate 15
CountyClark County
StateNevada
Coordinates36.12146, -115.18084
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length321 ft (97.8 m)
Longest span120 ft (36.6 m)
Deck width108 ft (32.8 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,500 (2021)
Projected traffic333,000 by 2040
Trucks7%
Lanes on structure6
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 15 over UPRR built?

It was built in 1964, making it 61 years old in 2025.

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 November 2024.

How much traffic does I 15 over UPRR carry?

About 121,500 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I 15 over UPRR?

The structure is 321 ft (97.8 m) long with a longest span of 120 ft (36.6 m) and a deck 108 ft wide.

Who owns I 15 over UPRR?

It is owned by the State Highway Agency.