US Bridges

Sky Harbor Blvd over Drainage Channel

Good

Maricopa County, Arizona · 0.35 MI E of JCT SR 143 · Structure no. 06958

Built
1991
34 years old
Condition
Good
inspected May 2021
Type
Culvert
Concrete Continuous
Length
52 ft
3 main spans
Daily traffic
76,800
2017 count
Owner
State
State Highway Agency

About this bridge

Sky Harbor Blvd over Drainage Channel is a concrete continuous culvert carrying Sky Harbor Blvd over Drainage Channel in Maricopa County, Arizona. It was built in 1991, so it is 34 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 76,800 vehicles a day, roughly 14% of them trucks, projected to reach 76,810 by 2037. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSky Harbor Blvd
CrossesDrainage Channel
Location0.35 MI E of JCT SR 143
RouteState Highway 143
StateArizona
Coordinates33.43611, -111.97222
Functional classUrban Minor 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2021
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 rating71 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,800 (2017)
Projected traffic76,810 by 2037
Trucks14%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sky Harbor Blvd over Drainage Channel built?

It was built in 1991, making it 34 years old in 2025.

What condition is Sky Harbor Blvd 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 May 2021.

How much traffic does Sky Harbor Blvd over Drainage Channel carry?

About 76,800 vehicles per day (2017 count), of which roughly 14% are trucks.

How long is Sky Harbor Blvd over Drainage Channel?

The structure is 52 ft (15.8 m) long with a longest span of 16 ft (4.9 m).

Who owns Sky Harbor Blvd over Drainage Channel?

It is owned by the State Highway Agency.