US Bridges

Pinal Air Park RD over I 10

Good

Pinal County, Arizona · 21.0 MI S JCT SR 84 · Structure no. 00771

Built
1963
62 years old, rebuilt 2019
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
248 ft
4 main spans
Daily traffic
1,299
2024 count
Owner
State
State Highway Agency

About this bridge

Pinal Air Park RD over I 10 is a steel continuous stringer/multi-beam or girder carrying Pinal Air Park RD over I 10 in Pinal County, Arizona. It was built in 1963 and reconstructed in 2019, so it is 62 years old, older 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 1,299 vehicles a day, roughly 2% of them trucks, projected to reach 1,309 by 2042. The structure is 248 ft (75.6 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesPinal Air Park RD
CrossesI 10
Location21.0 MI S JCT SR 84
RouteCounty Highway 0
StateArizona
Coordinates32.5064, -111.2693
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length248 ft (75.6 m)
Longest span89 ft (27.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,299 (2024)
Projected traffic1,309 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pinal Air Park RD over I 10 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2019.

What condition is Pinal Air Park RD over I 10 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 September 2024.

How much traffic does Pinal Air Park RD over I 10 carry?

About 1,299 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Pinal Air Park RD over I 10?

The structure is 248 ft (75.6 m) long with a longest span of 89 ft (27.1 m) and a deck 35 ft wide.

Who owns Pinal Air Park RD over I 10?

It is owned by the State Highway Agency.