US Bridges

Ridgeline Road over Twin Buttes Wash & Ped

Good

Maricopa County, Arizona · 0.07 MI E of 122nd DR · Structure no. 10612

Built
2006
19 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
1,294
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ridgeline Road over Twin Buttes Wash & Ped is a concrete continuous culvert carrying Ridgeline Road over Twin Buttes Wash & Ped in Maricopa County, Arizona. It was built in 2006, so it is 19 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 1,294 vehicles a day, roughly 1% of them trucks, projected to reach 1,304 by 2036. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRidgeline Road
CrossesTwin Buttes Wash & Ped
Location0.07 MI E of 122nd DR
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.7514, -112.3226
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
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 rating99 US tons
Inventory rating82 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic1,294 (2016)
Projected traffic1,304 by 2036
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Ridgeline Road over Twin Buttes Wash & Ped built?

It was built in 2006, making it 19 years old in 2025.

What condition is Ridgeline Road over Twin Buttes Wash & Ped 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 April 2022.

How much traffic does Ridgeline Road over Twin Buttes Wash & Ped carry?

About 1,294 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Ridgeline Road over Twin Buttes Wash & Ped?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Ridgeline Road over Twin Buttes Wash & Ped?

It is owned by the City or Municipal Highway Agency.