US Bridges

Ward Canyon Road over Negro Canyon Wash

Fair

Greenlee County, Arizona · 4.3 MI E JCT US 191 · Structure no. 10690

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
30 ft
7 main spans
Daily traffic
511
2022 count
Owner
County
County Highway Agency

About this bridge

Ward Canyon Road over Negro Canyon Wash is a steel culvert carrying Ward Canyon Road over Negro Canyon Wash in Greenlee County, Arizona. It was built in 1965, so it is 60 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 511 vehicles a day, roughly 2% of them trucks, projected to reach 521 by 2042. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesWard Canyon Road
CrossesNegro Canyon Wash
Location4.3 MI E JCT US 191
RouteCounty Highway 0
CountyGreenlee County
StateArizona
Coordinates33.01115, -109.2452
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans7
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span3 ft (0.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic511 (2022)
Projected traffic521 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ward Canyon Road over Negro Canyon Wash built?

It was built in 1965, making it 60 years old in 2025.

What condition is Ward Canyon Road over Negro Canyon 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 August 2023.

How much traffic does Ward Canyon Road over Negro Canyon Wash carry?

About 511 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Ward Canyon Road over Negro Canyon Wash?

The structure is 30 ft (9.1 m) long with a longest span of 3 ft (0.9 m).

Who owns Ward Canyon Road over Negro Canyon Wash?

It is owned by the County Highway Agency.