US Bridges

BIA IRR Route 1 over Wash

Good

Clark County, Nevada · N of Moapa Police Station · Structure no. 0000H69650B0900

Built
1980
45 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
100
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

BIA IRR Route 1 over Wash is a concrete culvert carrying BIA IRR Route 1 over Wash in Clark County, Nevada. It was built in 1980, so it is 45 years old, older 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 120 by 2044. The structure is 21 ft (6.3 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBIA IRR Route 1
CrossesWash
LocationN of Moapa Police Station
RouteFederal Lands Road 1
StateNevada
Coordinates36.66925, -114.65225
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3.1 m)
Deck width44 ft (13.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic120 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 BIA IRR Route 1 over Wash built?

It was built in 1980, making it 45 years old in 2025.

What condition is BIA IRR Route 1 over 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 December 2024.

How much traffic does BIA IRR Route 1 over Wash carry?

About 100 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is BIA IRR Route 1 over Wash?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3.1 m) and a deck 44 ft wide.

Who owns BIA IRR Route 1 over Wash?

It is owned by the Bureau of Indian Affairs.