US Bridges

Ramp ES1 over W Symphony Park Ave

Good

Clark County, Nevada · Neon · Structure no. H3220R

Built
2018
7 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
131 ft
1 main span
Daily traffic
28,000
2021 count
Owner
State
State Highway Agency

About this bridge

Ramp ES1 over W Symphony Park Ave is a prestressed concrete stringer/multi-beam or girder carrying Ramp ES1 over W Symphony Park Ave in Clark County, Nevada. It was built in 2018, so it is 7 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 28,000 vehicles a day, roughly 5% of them trucks, projected to reach 141,000 by 2037. The structure is 131 ft (39.9 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRamp ES1
CrossesW Symphony Park Ave
LocationNeon
RouteInterstate 15
StateNevada
Coordinates36.17144, -115.15768
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating52.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length131 ft (39.9 m)
Longest span131 ft (39.9 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,000 (2021)
Projected traffic141,000 by 2037
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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 Ramp ES1 over W Symphony Park Ave built?

It was built in 2018, making it 7 years old in 2025.

What condition is Ramp ES1 over W Symphony Park Ave 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 2022.

How much traffic does Ramp ES1 over W Symphony Park Ave carry?

About 28,000 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ramp ES1 over W Symphony Park Ave?

The structure is 131 ft (39.9 m) long with a longest span of 131 ft (39.9 m) and a deck 39 ft wide.

Who owns Ramp ES1 over W Symphony Park Ave?

It is owned by the State Highway Agency.