US Bridges

Sunset RD over SR171 Airport Connect

Fair

Clark County, Nevada · Las Vegas · Structure no. I1977

Built
1944
81 years old
Condition
Fair
inspected January 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
373 ft
3 main spans
Daily traffic
16,500
2017 count
Owner
State
State Highway Agency

About this bridge

Sunset RD over SR171 Airport Connect is a prestressed concrete continuous box beam or girders - multiple carrying Sunset RD over SR171 Airport Connect in Clark County, Nevada. It was built in 1944, so it is 81 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 16,500 vehicles a day, roughly 6% of them trucks, projected to reach 34,124 by 2040. The structure is 373 ft (113.6 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSunset RD
CrossesSR171 Airport Connect
LocationLas Vegas
RouteCounty Highway 0
CountyClark County
StateNevada
Coordinates36.07151, -115.14607
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2021
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 rating66.6 US tons
Inventory rating39.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length373 ft (113.6 m)
Longest span172 ft (52.3 m)
Deck width103 ft (31.4 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2017)
Projected traffic34,124 by 2040
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Sunset RD over SR171 Airport Connect built?

It was built in 1944, making it 81 years old in 2025.

What condition is Sunset RD over SR171 Airport Connect 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 January 2021.

How much traffic does Sunset RD over SR171 Airport Connect carry?

About 16,500 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is Sunset RD over SR171 Airport Connect?

The structure is 373 ft (113.6 m) long with a longest span of 172 ft (52.3 m) and a deck 103 ft wide.

Who owns Sunset RD over SR171 Airport Connect?

It is owned by the State Highway Agency.