US Bridges

Johnson RD over Rid Canal

Fair

Maricopa County, Arizona · 0.17 MI N/ Broadway · Structure no. 08680

Built
1983
42 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
539
2021 count
Owner
County
County Highway Agency

About this bridge

Johnson RD over Rid Canal is a steel stringer/multi-beam or girder carrying Johnson RD over Rid Canal in Maricopa County, Arizona. It was built in 1983, so it is 42 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 539 vehicles a day, roughly 10% of them trucks, projected to reach 549 by 2041. The structure is 28 ft (8.5 m) long and 51 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesJohnson RD
CrossesRid Canal
Location0.17 MI N/ Broadway
RouteCounty Highway 0
StateArizona
Coordinates33.409, -112.71202
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating62.7 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic539 (2021)
Projected traffic549 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Johnson RD over Rid Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is Johnson 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 Johnson RD over Rid Canal carry?

About 539 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Johnson RD over Rid Canal?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 51 ft wide.

Who owns Johnson RD over Rid Canal?

It is owned by the County Highway Agency.