US Bridges

Ranch Circle North over Drainage Channel

Good

Maricopa County, Arizona · Ranch Circle No @ 36th ST · Structure no. 08845

Built
1985
40 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
7,042
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ranch Circle North over Drainage Channel is a concrete continuous culvert carrying Ranch Circle North over Drainage Channel in Maricopa County, Arizona. It was built in 1985, so it is 40 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,042 vehicles a day, roughly 1% of them trucks, projected to reach 8,000 by 2030. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRanch Circle North
CrossesDrainage Channel
LocationRanch Circle No @ 36th ST
RouteCity Street 0
StateArizona
Coordinates33.3195, -112.0052
Functional classUrban Collector

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.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.6 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 traffic7,042 (2009)
Projected traffic8,000 by 2030
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ranch Circle North over Drainage Channel built?

It was built in 1985, making it 40 years old in 2025.

What condition is Ranch Circle North over Drainage Channel 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 March 2023.

How much traffic does Ranch Circle North over Drainage Channel carry?

About 7,042 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Ranch Circle North over Drainage Channel?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns Ranch Circle North over Drainage Channel?

It is owned by the City or Municipal Highway Agency.