US Bridges

Brown RD over Rwcd Canal

Fair

Maricopa County, Arizona · 0.2 MI E of Greenfield · Structure no. 08009

Built
1976
49 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
16,492
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Brown RD over Rwcd Canal is a prestressed concrete box beam or girders - multiple carrying Brown RD over Rwcd Canal in Maricopa County, Arizona. It was built in 1976, so it is 49 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 16,492 vehicles a day, roughly 5% of them trucks, projected to reach 16,502 by 2042. The structure is 30 ft (9.1 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBrown RD
CrossesRwcd Canal
Location0.2 MI E of Greenfield
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4373, -111.7336
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width81 ft (24.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic16,492 (2023)
Projected traffic16,502 by 2042
Trucks5%
Lanes on structure5
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

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 Brown RD over Rwcd Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is Brown RD over Rwcd 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 December 2024.

How much traffic does Brown RD over Rwcd Canal carry?

About 16,492 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Brown RD over Rwcd Canal?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 81 ft wide.

Who owns Brown RD over Rwcd Canal?

It is owned by the City or Municipal Highway Agency.