US Bridges

Indigo Sky RD over Wash

Fair

Pinal County, Arizona · 0.9 MI W JCT Hunt HWY · Structure no. 11382

Built
2005
20 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete Continuous
Length
57 ft
2 main spans
Daily traffic
2,010
2020 count
Owner
County
County Highway Agency

About this bridge

Indigo Sky RD over Wash is a concrete continuous culvert carrying Indigo Sky RD over Wash in Pinal County, Arizona. It was built in 2005, so it is 20 years old, younger 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 2,010 vehicles a day, roughly 1% of them trucks, projected to reach 2,020 by 2040. The structure is 57 ft (17.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIndigo Sky RD
CrossesWash
Location0.9 MI W JCT Hunt HWY
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates33.13344, -111.55389
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,010 (2020)
Projected traffic2,020 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Indigo Sky RD over Wash built?

It was built in 2005, making it 20 years old in 2025.

What condition is Indigo Sky RD over 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 November 2021.

How much traffic does Indigo Sky RD over Wash carry?

About 2,010 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Indigo Sky RD over Wash?

The structure is 57 ft (17.4 m) long with a longest span of 28 ft (8.5 m).

Who owns Indigo Sky RD over Wash?

It is owned by the County Highway Agency.