US Bridges

Sweetwater Avenue over Indian Bend Wash

Fair

Maricopa County, Arizona · 200 Ft W of 36th ST · Structure no. 08500

Built
1977
48 years old, rebuilt 1997
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
48 ft
6 main spans
Daily traffic
1,191
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sweetwater Avenue over Indian Bend Wash is a concrete continuous culvert carrying Sweetwater Avenue over Indian Bend Wash in Maricopa County, Arizona. It was built in 1977 and reconstructed in 1997, so it is 48 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 1,191 vehicles a day, roughly 5% of them trucks, projected to reach 1,201 by 2039. The structure is 48 ft (14.6 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSweetwater Avenue
CrossesIndian Bend Wash
Location200 Ft W of 36th ST
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.6043, -112.0056
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span10 ft (3 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,191 (2019)
Projected traffic1,201 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Avenue over Indian Bend Wash built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 1997.

What condition is Sweetwater Avenue over Indian Bend 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 2023.

How much traffic does Sweetwater Avenue over Indian Bend Wash carry?

About 1,191 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Sweetwater Avenue over Indian Bend Wash?

The structure is 48 ft (14.6 m) long with a longest span of 10 ft (3 m) and a deck 49 ft wide.

Who owns Sweetwater Avenue over Indian Bend Wash?

It is owned by the City or Municipal Highway Agency.