US Bridges

IRR BIA RTE 1 over Wash

Good

Pinal County, Arizona · 3.9 KM East of Sacaton · Structure no. 0000H57614B0162

Built
2010
15 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,770
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 1 over Wash is a concrete continuous culvert carrying IRR BIA RTE 1 over Wash in Pinal County, Arizona. It was built in 2010, so it is 15 years old, younger than the Arizona average of 47.8 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 1,770 vehicles a day, roughly 5% of them trucks, projected to reach 2,160 by 2043. The structure is 21 ft (6.4 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 1
CrossesWash
Location3.9 KM East of Sacaton
RouteFederal Lands Road 1
CountyPinal County
StateArizona
Coordinates33.06547, -111.70006
Functional classRural Major 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 inspectionJanuary 2023
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 rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3.1 m)
Deck width35 ft (10.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,770 (2023)
Projected traffic2,160 by 2043
Trucks5%
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 IRR BIA RTE 1 over Wash built?

It was built in 2010, making it 15 years old in 2025.

What condition is IRR BIA RTE 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 January 2023.

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

About 1,770 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 1 over Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3.1 m) and a deck 35 ft wide.

Who owns IRR BIA RTE 1 over Wash?

It is owned by the Bureau of Indian Affairs.