US Bridges

Grier DR over SR 171 Airport Connect

Fair

Clark County, Nevada · Las Vegas · Structure no. H1976

Built
1994
31 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
242 ft
3 main spans
Daily traffic
1,100
2017 count
Owner
State
State Highway Agency

About this bridge

Grier DR over SR 171 Airport Connect is a prestressed concrete continuous box beam or girders - multiple carrying Grier DR over SR 171 Airport Connect in Clark County, Nevada. It was built in 1994, so it is 31 years old, younger 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 1,100 vehicles a day, roughly 5% of them trucks, projected to reach 2,650 by 2040. The structure is 242 ft (73.8 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesGrier DR
CrossesSR 171 Airport Connect
LocationLas Vegas
RouteCity Street 0
CountyClark County
StateNevada
Coordinates36.07011, -115.14673
Functional classUrban Local

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 inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length242 ft (73.8 m)
Longest span106 ft (32.3 m)
Deck width62 ft (18.9 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2017)
Projected traffic2,650 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 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 Grier DR over SR 171 Airport Connect built?

It was built in 1994, making it 31 years old in 2025.

What condition is Grier DR over SR 171 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 November 2024.

How much traffic does Grier DR over SR 171 Airport Connect carry?

About 1,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Grier DR over SR 171 Airport Connect?

The structure is 242 ft (73.8 m) long with a longest span of 106 ft (32.3 m) and a deck 62 ft wide.

Who owns Grier DR over SR 171 Airport Connect?

It is owned by the State Highway Agency.