US Bridges

59th Ave over Laveen Con Channel

Fair

Maricopa County, Arizona · 59th Ave S/O Baseline RD · Structure no. 11114

Built
2009
16 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
1,000
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

59th Ave over Laveen Con Channel is a concrete culvert carrying 59th Ave over Laveen Con Channel in Maricopa County, Arizona. It was built in 2009, so it is 16 years old, younger 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 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 5,000 by 2030. The structure is 43 ft (13.1 m) long and 140 ft wide.

Location

Open in Google Maps
Carries59th Ave
CrossesLaveen Con Channel
Location59th Ave S/O Baseline RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.3753, -112.1847
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating100.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width140 ft (42.6 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,000 (2011)
Projected traffic5,000 by 2030
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 59th Ave over Laveen Con Channel built?

It was built in 2009, making it 16 years old in 2025.

What condition is 59th Ave over Laveen Con Channel 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 February 2023.

How much traffic does 59th Ave over Laveen Con Channel carry?

About 1,000 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is 59th Ave over Laveen Con Channel?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 140 ft wide.

Who owns 59th Ave over Laveen Con Channel?

It is owned by the City or Municipal Highway Agency.