US 180 over Wash

Fair

Apache County, Arizona · 5.9 MI E JCT SR 180A · Structure no. 06377

Built: 1970; 55 years old
Condition: Fair; inspected November 2022
Type: Culvert; Concrete Continuous
Length: 32 ft; 3 main spans
Daily traffic: 394; 2022 count
Owner: State; State Highway Agency

About this bridge

US 180 over Wash is a concrete continuous culvert carrying US 180 over Wash in Apache County, Arizona. It was built in 1970, so it is 55 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 5 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 394 vehicles a day, roughly 15% of them trucks, projected to reach 404 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 34.2 mi (55 km).

Location

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CarriesUS 180

CrossesWash

Location5.9 MI E JCT SR 180A

RouteU.S. Route 180

CountyApache County

StateArizona

Coordinates34.58491, -109.57062

Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionNovember 2022

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

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

MaterialConcrete Continuous

DeckNot applicable

Main spans3

Design loadHS 20

Structure length32 ft (9.8 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 traffic394 (2022)

Projected traffic404 by 2042

Trucks15%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed34.2 mi (55 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 US 180 over Wash built?

It was built in 1970, making it 55 years old in 2025.

What condition is US 180 over Wash 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 November 2022.

How much traffic does US 180 over Wash carry?

About 394 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is US 180 over Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns US 180 over Wash?

It is owned by the State Highway Agency.