US Bridges

SR 186 over Wash

Good

Cochise County, Arizona · 0.2 MI N JCT B10 · Structure no. 06483

Built
1971
54 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
53 ft
4 main spans
Daily traffic
4,256
2019 count
Owner
State
State Highway Agency

About this bridge

SR 186 over Wash is a concrete continuous culvert carrying SR 186 over Wash in Cochise County, Arizona. It was built in 1971, so it is 54 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 4,256 vehicles a day, roughly 10% of them trucks, projected to reach 4,266 by 2039. The structure is 53 ft (16.2 m) long and 75 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

Location

No coordinates are recorded for this structure.

CarriesSR 186
CrossesWash
Location0.2 MI N JCT B10
RouteState Highway 186
CountyCochise County
StateArizona
Functional classRural Major Collector

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 inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span10 ft (3 m)
Deck width75 ft (22.9 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,256 (2019)
Projected traffic4,266 by 2039
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.3 mi (89 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 186 over Wash built?

It was built in 1971, making it 54 years old in 2025.

What condition is SR 186 over 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 May 2021.

How much traffic does SR 186 over Wash carry?

About 4,256 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is SR 186 over Wash?

The structure is 53 ft (16.2 m) long with a longest span of 10 ft (3 m) and a deck 75 ft wide.

Who owns SR 186 over Wash?

It is owned by the State Highway Agency.