US Bridges

Attaway RD over Gila River

Good

Pinal County, Arizona · 0.8 MI N JCT SR 287 · Structure no. 07724

Built
1989
36 years old, rebuilt 1993
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,421 ft
10 main spans
Daily traffic
8,422
2022 count
Owner
County
County Highway Agency

About this bridge

Attaway RD over Gila River is a prestressed concrete continuous stringer/multi-beam or girder carrying Attaway RD over Gila River in Pinal County, Arizona. It was built in 1989 and reconstructed in 1993, so it is 36 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 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 8,422 vehicles a day, roughly 5% of them trucks, projected to reach 8,432 by 2042. The structure is 1,421 ft (433.1 m) long and 35 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesAttaway RD
CrossesGila River
Location0.8 MI N JCT SR 287
RouteCounty Highway 0
StateArizona
Coordinates33.0153, -111.4733
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10 (+1 approach)
Design loadHS 20
Structure length1,421 ft (433.1 m)
Longest span130 ft (39.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,422 (2022)
Projected traffic8,432 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Attaway RD over Gila River built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 1993.

What condition is Attaway RD over Gila River 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 January 2024.

How much traffic does Attaway RD over Gila River carry?

About 8,422 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Attaway RD over Gila River?

The structure is 1,421 ft (433.1 m) long with a longest span of 130 ft (39.6 m) and a deck 35 ft wide.

Who owns Attaway RD over Gila River?

It is owned by the County Highway Agency.