US Bridges

Purdy Lane over Wash

Fair

Cochise County, Arizona · 2.0 MI E JCT Naco RD · Structure no. 08098

Built
1938
87 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
26 ft
4 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

Purdy Lane over Wash is a concrete continuous culvert carrying Purdy Lane over Wash in Cochise County, Arizona. It was built in 1938, so it is 87 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 310 by 2042. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesPurdy Lane
CrossesWash
Location2.0 MI E JCT Naco RD
RouteCounty Highway 0
CountyCochise County
StateArizona
Coordinates31.35084, -109.90242
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic310 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Purdy Lane over Wash built?

It was built in 1938, making it 87 years old in 2025.

What condition is Purdy Lane 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 January 2025.

How much traffic does Purdy Lane over Wash carry?

About 300 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Purdy Lane over Wash?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m) and a deck 24 ft wide.

Who owns Purdy Lane over Wash?

It is owned by the County Highway Agency.