US Bridges

SR 260 over Coldbath Wash

Good

Navajo County, Arizona · 10.6 MI West of JCT US 60 · Structure no. 06795

Built
1974
51 years old
Condition
Good
inspected March 2021
Type
Culvert
Steel
Length
63 ft
4 main spans
Daily traffic
4,717
2019 count
Owner
State
State Highway Agency

About this bridge

SR 260 over Coldbath Wash is a steel culvert carrying SR 260 over Coldbath Wash in Navajo County, Arizona. It was built in 1974, so it is 51 years old, older 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 4,717 vehicles a day, roughly 12% of them trucks, projected to reach 4,727 by 2039. The structure is 63 ft (19.2 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 260
CrossesColdbath Wash
Location10.6 MI West of JCT US 60
RouteState Highway 260
CountyNavajo County
StateArizona
Coordinates34.307, -110.2095
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,717 (2019)
Projected traffic4,727 by 2039
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Coldbath Wash built?

It was built in 1974, making it 51 years old in 2025.

What condition is SR 260 over Coldbath Wash 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 March 2021.

How much traffic does SR 260 over Coldbath Wash carry?

About 4,717 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is SR 260 over Coldbath Wash?

The structure is 63 ft (19.2 m) long with a longest span of 8 ft (2.4 m).

Who owns SR 260 over Coldbath Wash?

It is owned by the State Highway Agency.