US Bridges

Hereford Road over Wash

Fair

Cochise County, Arizona · 3.3 MI NW JCT SR 92 · Structure no. 09212

Built
1939
86 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
620
2021 count
Owner
County
County Highway Agency

About this bridge

Hereford Road over Wash is a concrete continuous slab carrying Hereford Road over Wash 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.

It carries about 620 vehicles a day, roughly 10% of them trucks, projected to reach 630 by 2041. The structure is 24 ft (7.3 m) long and 34 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesHereford Road
CrossesWash
Location3.3 MI NW JCT SR 92
RouteCounty Highway 0
CountyCochise County
StateArizona
Coordinates31.4143, -110.0924
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2021)
Projected traffic630 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Hereford Road over Wash built?

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

What condition is Hereford Road 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 Hereford Road over Wash carry?

About 620 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Hereford Road over Wash?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns Hereford Road over Wash?

It is owned by the County Highway Agency.