US Bridges

SR 587 over Gila River

Fair

Pinal County, Arizona · 1.5 MI N of JCT I 10 · Structure no. 02412

Built
1996
29 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
51 ft
2 main spans
Daily traffic
11,229
2021 count
Owner
State
State Highway Agency

About this bridge

SR 587 over Gila River is a concrete continuous slab carrying SR 587 over Gila River in Pinal County, Arizona. It was built in 1996, so it is 29 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 11,229 vehicles a day, roughly 12% of them trucks, projected to reach 11,239 by 2041. The structure is 51 ft (15.5 m) long and 46 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSR 587
CrossesGila River
Location1.5 MI N of JCT I 10
RouteState Highway 587
CountyPinal County
StateArizona
Coordinates33.1409, -111.841
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,229 (2021)
Projected traffic11,239 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 587 over Gila River built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR 587 over Gila River 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 April 2023.

How much traffic does SR 587 over Gila River carry?

About 11,229 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is SR 587 over Gila River?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 46 ft wide.

Who owns SR 587 over Gila River?

It is owned by the State Highway Agency.