US Bridges

Purdy Lane over Green Bush Draw

Fair

Cochise County, Arizona · 2.5 MI E JCT Naco HWY · Structure no. 08118

Built
1938
87 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
500
2021 count
Owner
County
County Highway Agency

About this bridge

Purdy Lane over Green Bush Draw is a concrete continuous slab carrying Purdy Lane over Green Bush Draw 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 500 vehicles a day, projected to reach 510 by 2041. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPurdy Lane
CrossesGreen Bush Draw
Location2.5 MI E JCT Naco HWY
RouteCounty Highway 0
StateArizona
Coordinates31.3508, -109.8939
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2021)
Projected traffic510 by 2041
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Purdy Lane over Green Bush Draw built?

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

What condition is Purdy Lane over Green Bush Draw 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 Green Bush Draw carry?

About 500 vehicles per day (2021 count).

How long is Purdy Lane over Green Bush Draw?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m) and a deck 24 ft wide.

Who owns Purdy Lane over Green Bush Draw?

It is owned by the County Highway Agency.