US Bridges

SB 10 over Wash

Good

Cochise County, Arizona · 9.4 MI W JCT US 191 S · Structure no. 05224

Built
1938
87 years old, rebuilt 2001
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,825
2023 count
Owner
State
State Highway Agency

About this bridge

SB 10 over Wash is a concrete continuous culvert carrying SB 10 over Wash in Cochise County, Arizona. It was built in 1938 and reconstructed in 2001, 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 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 1,825 vehicles a day, roughly 5% of them trucks, projected to reach 1,835 by 2042. The structure is 21 ft (6.4 m) long and 102 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSB 10
CrossesWash
Location9.4 MI W JCT US 191 S
RouteState Highway 10
CountyCochise County
StateArizona
Coordinates32.26453, -109.82429
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width102 ft (31.1 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,825 (2023)
Projected traffic1,835 by 2042
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SB 10 over Wash built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2001.

What condition is SB 10 over 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 January 2025.

How much traffic does SB 10 over Wash carry?

About 1,825 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SB 10 over Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 102 ft wide.

Who owns SB 10 over Wash?

It is owned by the State Highway Agency.