US Bridges

Mill Avenue NB over North Bank Access RD

Good

Maricopa County, Arizona · 0.1 MI S of Curry Road · Structure no. 07996

Built
1994
31 years old
Condition
Good
inspected September 2023
Type
Frame
Concrete
Length
78 ft
1 main span
Daily traffic
9,245
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mill Avenue NB over North Bank Access RD is a concrete frame carrying Mill Avenue NB over North Bank Access RD in Maricopa County, Arizona. It was built in 1994, so it is 31 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 9,245 vehicles a day, roughly 5% of them trucks, projected to reach 9,255 by 2042. The structure is 78 ft (23.8 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMill Avenue NB
CrossesNorth Bank Access RD
Location0.1 MI S of Curry Road
RouteCity Street 0
StateArizona
Coordinates33.4354, -111.9417
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span69 ft (21 m)
Deck width48 ft (14.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck18 ft (5.6 m)

Traffic and service

Average daily traffic9,245 (2023)
Projected traffic9,255 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mill Avenue NB over North Bank Access RD built?

It was built in 1994, making it 31 years old in 2025.

What condition is Mill Avenue NB over North Bank Access RD 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 September 2023.

How much traffic does Mill Avenue NB over North Bank Access RD carry?

About 9,245 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mill Avenue NB over North Bank Access RD?

The structure is 78 ft (23.8 m) long with a longest span of 69 ft (21 m) and a deck 48 ft wide.

Who owns Mill Avenue NB over North Bank Access RD?

It is owned by the City or Municipal Highway Agency.