US Bridges

SR 260 over Waterway

Good

Gila County, Arizona · 28.1 MI E JCT SR 87 · Structure no. 02089

Built
1991
34 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
910 ft
3 main spans
Daily traffic
10,273
2022 count
Owner
State
State Highway Agency

About this bridge

SR 260 over Waterway is a prestressed concrete continuous box beam or girders - single or spread carrying SR 260 over Waterway in Gila County, Arizona. It was built in 1991, so it is 34 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 10,273 vehicles a day, roughly 10% of them trucks, projected to reach 10,283 by 2042. The structure is 910 ft (277.4 m) long and 61 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 260
CrossesWaterway
Location28.1 MI E JCT SR 87
RouteState Highway 260
StateArizona
Coordinates34.30325, -110.91618
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length910 ft (277.4 m)
Longest span340 ft (103.6 m)
Deck width61 ft (18.7 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,273 (2022)
Projected traffic10,283 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$6,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 260 over Waterway built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 260 over Waterway 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 August 2024.

How much traffic does SR 260 over Waterway carry?

About 10,273 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR 260 over Waterway?

The structure is 910 ft (277.4 m) long with a longest span of 340 ft (103.6 m) and a deck 61 ft wide.

Who owns SR 260 over Waterway?

It is owned by the State Highway Agency.