US Bridges

US 60 over Ironwood Drive

Fair

Pinal County, Arizona · 23.4 MI E JCT I-10 · Structure no. 02065

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
165 ft
1 main span
Daily traffic
77,864
2022 count
Owner
State
State Highway Agency

About this bridge

US 60 over Ironwood Drive is a prestressed concrete box beam or girders - single or spread carrying US 60 over Ironwood Drive in Pinal County, Arizona. It was built in 1990, so it is 35 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 77,864 vehicles a day, roughly 8% of them trucks, projected to reach 77,874 by 2042. The structure is 165 ft (50.3 m) long and 121 ft wide.

CarriesUS 60
CrossesIronwood Drive
Location23.4 MI E JCT I-10
RouteU.S. Route 60
StateArizona
Coordinates33.3866, -111.5637
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating68 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span160 ft (48.8 m)
Deck width121 ft (36.9 m)
Roadway width116 ft (35.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,864 (2022)
Projected traffic77,874 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 60 over Ironwood Drive built?

It was built in 1990, making it 35 years old in 2025.

What condition is US 60 over Ironwood Drive 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 October 2023.

How much traffic does US 60 over Ironwood Drive carry?

About 77,864 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US 60 over Ironwood Drive?

The structure is 165 ft (50.3 m) long with a longest span of 160 ft (48.8 m) and a deck 121 ft wide.

Who owns US 60 over Ironwood Drive?

It is owned by the State Highway Agency.