US Bridges

22nd Street over Alamo Wash

Good

Pima County, Arizona · 0.5 MI E JCT Wilmot RD · Structure no. 09035

Built
1966
59 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
41,274
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

22nd Street over Alamo Wash is a concrete continuous culvert carrying 22nd Street over Alamo Wash in Pima County, Arizona. It was built in 1966, so it is 59 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 41,274 vehicles a day, roughly 10% of them trucks, projected to reach 41,284 by 2042. The structure is 32 ft (9.8 m) long and 116 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries22nd Street
CrossesAlamo Wash
Location0.5 MI E JCT Wilmot RD
RouteCity Street 0
StateArizona
Coordinates32.20653, -110.84964
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width116 ft (35.4 m)
Roadway width82 ft (25 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic41,274 (2022)
Projected traffic41,284 by 2042
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 22nd Street over Alamo Wash built?

It was built in 1966, making it 59 years old in 2025.

What condition is 22nd Street over Alamo 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 March 2023.

How much traffic does 22nd Street over Alamo Wash carry?

About 41,274 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 22nd Street over Alamo Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 116 ft wide.

Who owns 22nd Street over Alamo Wash?

It is owned by the City or Municipal Highway Agency.