US Bridges

Ironwood Drive over Wash

Good

Pinal County, Arizona · Ironwood Drive · Structure no. 10917

Built
2009
16 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
27,084
2023 count
Owner
County
County Highway Agency

About this bridge

Ironwood Drive over Wash is a concrete continuous culvert carrying Ironwood Drive over Wash in Pinal County, Arizona. It was built in 2009, so it is 16 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 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 27,084 vehicles a day, roughly 15% of them trucks, projected to reach 27,094 by 2042. The structure is 32 ft (9.8 m) long and 158 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesIronwood Drive
CrossesWash
LocationIronwood Drive
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates33.2885, -111.56344
Functional classUrban Minor Arterial

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.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 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 rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width158 ft (48.2 m)
Roadway width156 ft (47.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,084 (2023)
Projected traffic27,094 by 2042
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 Ironwood Drive over Wash built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ironwood Drive 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 November 2023.

How much traffic does Ironwood Drive over Wash carry?

About 27,084 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Ironwood Drive over Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 158 ft wide.

Who owns Ironwood Drive over Wash?

It is owned by the County Highway Agency.