US Bridges

SR 85 over Bwcdd Canal

Good

Maricopa County, Arizona · 3.95 MI S JCT I-10 · Structure no. 07172

Built
2007
18 years old
Condition
Good
inspected January 2021
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
19,980
2019 count
Owner
State
State Highway Agency

About this bridge

SR 85 over Bwcdd Canal is a concrete continuous culvert carrying SR 85 over Bwcdd Canal in Maricopa County, Arizona. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,980 vehicles a day, roughly 24% of them trucks, projected to reach 19,990 by 2039. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR 85
CrossesBwcdd Canal
Location3.95 MI S JCT I-10
RouteState Highway 85
CountyMaricopa County
StateArizona
Coordinates33.3706, -112.6247
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,980 (2019)
Projected traffic19,990 by 2039
Trucks24%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 85 over Bwcdd Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR 85 over Bwcdd Canal 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 January 2021.

How much traffic does SR 85 over Bwcdd Canal carry?

About 19,980 vehicles per day (2019 count), of which roughly 24% are trucks.

How long is SR 85 over Bwcdd Canal?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SR 85 over Bwcdd Canal?

It is owned by the State Highway Agency.