US Bridges

I15 over Abbott Wash

Good

Clark County, Nevada · Btw B2707 and B3129 · Structure no. B2844

Built
2001
24 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
27,500
2021 count
Owner
State
State Highway Agency

About this bridge

I15 over Abbott Wash is a concrete culvert carrying I15 over Abbott Wash in Clark County, Nevada. It was built in 2001, so it is 24 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 27,500 vehicles a day, roughly 16% of them trucks, projected to reach 26,400 by 2039. The structure is 30 ft (9.1 m) long and 155 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI15
CrossesAbbott Wash
LocationBtw B2707 and B3129
RouteInterstate 15
StateNevada
Coordinates36.80975, -114.08619
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width155 ft (47.2 m)
Roadway width155 ft (47.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2021)
Projected traffic26,400 by 2039
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I15 over Abbott Wash built?

It was built in 2001, making it 24 years old in 2025.

What condition is I15 over Abbott 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 November 2024.

How much traffic does I15 over Abbott Wash carry?

About 27,500 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I15 over Abbott Wash?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 155 ft wide.

Who owns I15 over Abbott Wash?

It is owned by the State Highway Agency.