US Bridges

Warren Road over Greenbush Draw

FairPosted for load

Cochise County, Arizona · 5.5 MI S JCT SR 80 · Structure no. 09219

Built
1939
86 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
500
2021 count
Owner
County
County Highway Agency

About this bridge

Warren Road over Greenbush Draw is a concrete continuous slab carrying Warren Road over Greenbush Draw in Cochise County, Arizona. It was built in 1939, so it is 86 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. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, projected to reach 510 by 2041. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesWarren Road
CrossesGreenbush Draw
Location5.5 MI S JCT SR 80
RouteCounty Highway 0
CountyCochise County
StateArizona
Coordinates31.3552, -109.888
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 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 closed8.1 mi (13 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 Warren Road over Greenbush Draw built?

It was built in 1939, making it 86 years old in 2025.

What condition is Warren Road over Greenbush 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 Warren Road over Greenbush Draw carry?

About 500 vehicles per day (2021 count).

How long is Warren Road over Greenbush Draw?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Warren Road over Greenbush Draw?

It is owned by the County Highway Agency.