US Bridges

SR 260 over Tonto Creek

Fair

Gila County, Arizona · 16.6 MI E JCT SR 87 · Structure no. 00699

Built
1939
86 years old, rebuilt 1960
Condition
Fair
inspected August 2024
Type
Frame
Concrete Continuous
Length
58 ft
1 main span
Daily traffic
200
2021 count
Owner
State
State Highway Agency

About this bridge

SR 260 over Tonto Creek is a concrete continuous frame carrying SR 260 over Tonto Creek in Gila County, Arizona. It was built in 1939 and reconstructed in 1960, so it is 86 years old, older 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 210 by 2041. The structure is 58 ft (17.7 m) long and 53 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 260
CrossesTonto Creek
Location16.6 MI E JCT SR 87
RouteState Highway 260
StateArizona
Coordinates34.3266, -111.0942
Functional classRural Local

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 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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length58 ft (17.7 m)
Longest span50 ft (15.2 m)
Deck width53 ft (16.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic210 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 260 over Tonto Creek built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1960.

What condition is SR 260 over Tonto Creek 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 August 2024.

How much traffic does SR 260 over Tonto Creek carry?

About 200 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is SR 260 over Tonto Creek?

The structure is 58 ft (17.7 m) long with a longest span of 50 ft (15.2 m) and a deck 53 ft wide.

Who owns SR 260 over Tonto Creek?

It is owned by the State Highway Agency.