US Bridges

Sweetwater over Wash

Good

Maricopa County, Arizona · 0.2 MI E JCT 90th ST · Structure no. 10079

Built
1997
28 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
2,250
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sweetwater over Wash is a concrete continuous culvert carrying Sweetwater over Wash in Maricopa County, Arizona. It was built in 1997, so it is 28 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 2,250 vehicles a day, roughly 2% of them trucks, projected to reach 2,260 by 2040. The structure is 24 ft (7.3 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSweetwater
CrossesWash
Location0.2 MI E JCT 90th ST
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6043, -111.8831
Functional classUrban Collector

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 inspectionJanuary 2022
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 length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width103 ft (31.4 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2020)
Projected traffic2,260 by 2040
Trucks2%
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 Sweetwater over Wash built?

It was built in 1997, making it 28 years old in 2025.

What condition is Sweetwater 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 2022.

How much traffic does Sweetwater over Wash carry?

About 2,250 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Sweetwater over Wash?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 103 ft wide.

Who owns Sweetwater over Wash?

It is owned by the City or Municipal Highway Agency.