US Bridges

Rainbow Valley RD over Waterman Wash

FairPosted for load

Maricopa County, Arizona · 30 Ft S JCT Queen Creek · Structure no. 09432

Built
1957
68 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
171 ft
6 main spans
Daily traffic
390
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rainbow Valley RD over Waterman Wash is a concrete continuous slab carrying Rainbow Valley RD over Waterman Wash in Maricopa County, Arizona. It was built in 1957, so it is 68 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 390 vehicles a day, roughly 15% of them trucks, projected to reach 400 by 2040. The structure is 171 ft (52.1 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRainbow Valley RD
CrossesWaterman Wash
Location30 Ft S JCT Queen Creek
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.2612, -112.4439
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 15
Structure length171 ft (52.1 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic390 (2020)
Projected traffic400 by 2040
Trucks15%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rainbow Valley RD over Waterman Wash built?

It was built in 1957, making it 68 years old in 2025.

What condition is Rainbow Valley RD over Waterman 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 April 2023.

How much traffic does Rainbow Valley RD over Waterman Wash carry?

About 390 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is Rainbow Valley RD over Waterman Wash?

The structure is 171 ft (52.1 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Rainbow Valley RD over Waterman Wash?

It is owned by the City or Municipal Highway Agency.