US Bridges

SR 181 over Wash

Good

Cochise County, Arizona · @ JCT SR 186 · Structure no. 06517

Built
1974
51 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
243
2019 count
Owner
State
State Highway Agency

About this bridge

SR 181 over Wash is a concrete continuous culvert carrying SR 181 over Wash in Cochise 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 243 vehicles a day, roughly 4% of them trucks, projected to reach 253 by 2039. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 181
CrossesWash
Location@ JCT SR 186
RouteState Highway 181
StateArizona
Coordinates32.00569, -109.44002
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
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 rating83 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic243 (2019)
Projected traffic253 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 181 over Wash built?

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

What condition is SR 181 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 January 2025.

How much traffic does SR 181 over Wash carry?

About 243 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is SR 181 over Wash?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns SR 181 over Wash?

It is owned by the State Highway Agency.