US Bridges

IRR BIA RTE 1 over Evergreen Wash

Fair

Maricopa County, Arizona · E End of Indian Schl RD · Structure no. 0000H55615B0129

Built
1970
55 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete Continuous
Length
21 ft
1 main span
Daily traffic
147
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 1 over Evergreen Wash is a concrete continuous culvert carrying IRR BIA RTE 1 over Evergreen Wash in Maricopa County, Arizona. It was built in 1970, so it is 55 years old, older than the Arizona average of 47.8 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 147 vehicles a day, roughly 5% of them trucks, projected to reach 180 by 2043. The structure is 21 ft (6.4 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIRR BIA RTE 1
CrossesEvergreen Wash
LocationE End of Indian Schl RD
RouteFederal Lands Road 1
CountyMaricopa County
StateArizona
Coordinates33.49525, -111.81436
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width66 ft (20.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147 (2023)
Projected traffic180 by 2043
Trucks5%
Lanes on structure2
Traffic directionHighway traffic not carried
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Evergreen Wash built?

It was built in 1970, making it 55 years old in 2025.

What condition is IRR BIA RTE 1 over Evergreen Wash 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 January 2023.

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

About 147 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 1 over Evergreen Wash?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 66 ft wide.

Who owns IRR BIA RTE 1 over Evergreen Wash?

It is owned by the Bureau of Indian Affairs.