US Bridges

21st Way over Dry Wash

Fair

Maricopa County, Arizona · 0.04 MI N of Vista Bonita · Structure no. 11199

Built
2002
23 years old
Condition
Fair
inspected March 2021
Type
Culvert
Concrete Continuous
Length
35 ft
3 main spans
Daily traffic
250
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

21st Way over Dry Wash is a concrete continuous culvert carrying 21st Way over Dry Wash in Maricopa County, Arizona. It was built in 2002, so it is 23 years old, younger 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 6 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 260 by 2041. The structure is 35 ft (10.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries21st Way
CrossesDry Wash
Location0.04 MI N of Vista Bonita
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6978, -112.0369
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span10 ft (3 m)
Deck width33 ft (10.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic260 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 21st Way over Dry Wash built?

It was built in 2002, making it 23 years old in 2025.

What condition is 21st Way over Dry 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 March 2021.

How much traffic does 21st Way over Dry Wash carry?

About 250 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is 21st Way over Dry Wash?

The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns 21st Way over Dry Wash?

It is owned by the City or Municipal Highway Agency.