US Bridges

90th Street over Drain Channel

Fair

Maricopa County, Arizona · 0.20 MI S of Downing Ols · Structure no. 07536

Built
1988
37 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
122 ft
3 main spans
Daily traffic
510
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

90th Street over Drain Channel is a prestressed concrete box beam or girders - multiple carrying 90th Street over Drain Channel in Maricopa County, Arizona. It was built in 1988, so it is 37 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 510 vehicles a day, roughly 1% of them trucks, projected to reach 520 by 2042. The structure is 122 ft (37.2 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries90th Street
CrossesDrain Channel
Location0.20 MI S of Downing Ols
RouteCity Street 0
StateArizona
Coordinates33.6573, -111.8848
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 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 rating67 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span38 ft (11.6 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2024)
Projected traffic520 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 90th Street over Drain Channel built?

It was built in 1988, making it 37 years old in 2025.

What condition is 90th Street over Drain Channel 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 February 2024.

How much traffic does 90th Street over Drain Channel carry?

About 510 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is 90th Street over Drain Channel?

The structure is 122 ft (37.2 m) long with a longest span of 38 ft (11.6 m) and a deck 52 ft wide.

Who owns 90th Street over Drain Channel?

It is owned by the City or Municipal Highway Agency.