US Bridges

Parking Lot Access over Hemenway Wash

Good

Clark County, Nevada · Boulder City · Structure no. B1903

Built
1990
35 years old
Condition
Good
inspected September 2021
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
10,300
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Parking Lot Access over Hemenway Wash is a concrete slab carrying Parking Lot Access over Hemenway Wash in Clark County, Nevada. It was built in 1990, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,300 vehicles a day, roughly 1% of them trucks, projected to reach 25 by 2040. The structure is 30 ft (9.1 m) long and 34 ft wide. If it were closed, the detour would be 77.1 mi (124 km).

CarriesParking Lot Access
CrossesHemenway Wash
LocationBoulder City
StateNevada
Coordinates35.98384, -114.84251
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span24 ft (7.3 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,300 (2021)
Projected traffic25 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed77.1 mi (124 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Parking Lot Access over Hemenway Wash built?

It was built in 1990, making it 35 years old in 2025.

What condition is Parking Lot Access over Hemenway Wash 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 September 2021.

How much traffic does Parking Lot Access over Hemenway Wash carry?

About 10,300 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Parking Lot Access over Hemenway Wash?

The structure is 30 ft (9.1 m) long with a longest span of 24 ft (7.3 m) and a deck 34 ft wide.

Who owns Parking Lot Access over Hemenway Wash?

It is owned by the City or Municipal Highway Agency.