US Bridges

SR 260 over Thompson Draw

Fair

Gila County, Arizona · 14.0 MI E JCT SR 87 · Structure no. 02637

Built
2011
14 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
323 ft
3 main spans
Daily traffic
4,449
2022 count
Owner
State
State Highway Agency

About this bridge

SR 260 over Thompson Draw is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 260 over Thompson Draw in Gila County, Arizona. It was built in 2011, so it is 14 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 4,449 vehicles a day, roughly 10% of them trucks, projected to reach 4,459 by 2042. The structure is 323 ft (98.5 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 260
CrossesThompson Draw
Location14.0 MI E JCT SR 87
RouteState Highway 260
StateArizona
Coordinates34.3099, -111.1109
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length323 ft (98.5 m)
Longest span125 ft (38.1 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,449 (2022)
Projected traffic4,459 by 2042
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Thompson Draw built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR 260 over Thompson Draw 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 September 2024.

How much traffic does SR 260 over Thompson Draw carry?

About 4,449 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR 260 over Thompson Draw?

The structure is 323 ft (98.5 m) long with a longest span of 125 ft (38.1 m) and a deck 45 ft wide.

Who owns SR 260 over Thompson Draw?

It is owned by the State Highway Agency.