US Bridges

SR 90 over Middle Canyon Wash

Good

Cochise County, Arizona · 10.3 MI S JCT I-10 · Structure no. 02558

Built
2001
24 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
1 main span
Daily traffic
5,062
2021 count
Owner
State
State Highway Agency

About this bridge

SR 90 over Middle Canyon Wash is a prestressed concrete stringer/multi-beam or girder carrying SR 90 over Middle Canyon Wash in Cochise County, Arizona. It was built in 2001, so it is 24 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,062 vehicles a day, roughly 11% of them trucks, projected to reach 5,072 by 2041. The structure is 126 ft (38.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 90
CrossesMiddle Canyon Wash
Location10.3 MI S JCT I-10
RouteState Highway 90
StateArizona
Coordinates31.8168, -110.3472
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span120 ft (36.6 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,062 (2021)
Projected traffic5,072 by 2041
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 90 over Middle Canyon Wash built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR 90 over Middle Canyon Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does SR 90 over Middle Canyon Wash carry?

About 5,062 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is SR 90 over Middle Canyon Wash?

The structure is 126 ft (38.4 m) long with a longest span of 120 ft (36.6 m) and a deck 45 ft wide.

Who owns SR 90 over Middle Canyon Wash?

It is owned by the State Highway Agency.