US Bridges

I 515 US95 US93 over Gibson RD

Fair

Clark County, Nevada · West of Henderson · Structure no. H1460

Built
1988
37 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
373 ft
2 main spans
Daily traffic
111,000
2021 count
Owner
State
State Highway Agency

About this bridge

I 515 US95 US93 over Gibson RD is a prestressed concrete continuous box beam or girders - multiple carrying I 515 US95 US93 over Gibson RD in Clark County, Nevada. It was built in 1988, so it is 37 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 111,000 vehicles a day, roughly 7% of them trucks, projected to reach 213,016 by 2040. The structure is 373 ft (113.7 m) long and 121 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI 515 US95 US93
CrossesGibson RD
LocationWest of Henderson
RouteInterstate 515
StateNevada
Coordinates36.0585, -115.02869
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating81.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length373 ft (113.7 m)
Longest span185 ft (56.4 m)
Deck width121 ft (36.9 m)
Roadway width116 ft (35.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111,000 (2021)
Projected traffic213,016 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$5.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 515 US95 US93 over Gibson RD built?

It was built in 1988, making it 37 years old in 2025.

What condition is I 515 US95 US93 over Gibson RD 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 2023.

How much traffic does I 515 US95 US93 over Gibson RD carry?

About 111,000 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I 515 US95 US93 over Gibson RD?

The structure is 373 ft (113.7 m) long with a longest span of 185 ft (56.4 m) and a deck 121 ft wide.

Who owns I 515 US95 US93 over Gibson RD?

It is owned by the State Highway Agency.