US Bridges

Miller RD over Rid Canal

Fair

Maricopa County, Arizona · 0.5 MI N/ Broadway · Structure no. 09424

Built
1961
64 years old, rebuilt 1996
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
16,575
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Miller RD over Rid Canal is a prestressed concrete box beam or girders - multiple carrying Miller RD over Rid Canal in Maricopa County, Arizona. It was built in 1961 and reconstructed in 1996, so it is 64 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 16,575 vehicles a day, roughly 5% of them trucks, projected to reach 16,585 by 2042. The structure is 37 ft (11.3 m) long and 84 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMiller RD
CrossesRid Canal
Location0.5 MI N/ Broadway
RouteCity Street 0
StateArizona
Coordinates33.41256, -112.59089
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating61 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width84 ft (25.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic16,575 (2023)
Projected traffic16,585 by 2042
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Miller RD over Rid Canal built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1996.

What condition is Miller RD over Rid Canal 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 November 2024.

How much traffic does Miller RD over Rid Canal carry?

About 16,575 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Miller RD over Rid Canal?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 84 ft wide.

Who owns Miller RD over Rid Canal?

It is owned by the Town or Township Highway Agency.