US Bridges

19th Avenue over Sweetwater Wash

Fair

Maricopa County, Arizona · 0.5 MI N of Cactus Road · Structure no. 09177

Built
1968
57 years old, rebuilt 1982
Condition
Fair
inspected December 2022
Type
Slab
Concrete Continuous
Length
43 ft
2 main spans
Daily traffic
28,032
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

19th Avenue over Sweetwater Wash is a concrete continuous slab carrying 19th Avenue over Sweetwater Wash in Maricopa County, Arizona. It was built in 1968 and reconstructed in 1982, so it is 57 years old, older 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 28,032 vehicles a day, roughly 1% of them trucks, projected to reach 28,042 by 2041. The structure is 43 ft (13.1 m) long and 79 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries19th Avenue
CrossesSweetwater Wash
Location0.5 MI N of Cactus Road
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6039, -112.0996
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span21 ft (6.4 m)
Deck width79 ft (24 m)
Roadway width65 ft (19.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,032 (2021)
Projected traffic28,042 by 2041
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 19th Avenue over Sweetwater Wash built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1982.

What condition is 19th Avenue over Sweetwater 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 December 2022.

How much traffic does 19th Avenue over Sweetwater Wash carry?

About 28,032 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is 19th Avenue over Sweetwater Wash?

The structure is 43 ft (13.1 m) long with a longest span of 21 ft (6.4 m) and a deck 79 ft wide.

Who owns 19th Avenue over Sweetwater Wash?

It is owned by the City or Municipal Highway Agency.