US Bridges

US 60 over Sossaman Channel

Good

Maricopa County, Arizona · 17.62 MI E of JCT I 10 · Structure no. 06913

Built
1989
36 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete Continuous
Length
79 ft
6 main spans
Daily traffic
115,100
2020 count
Owner
State
State Highway Agency

About this bridge

US 60 over Sossaman Channel is a concrete continuous culvert carrying US 60 over Sossaman Channel in Maricopa County, Arizona. It was built in 1989, so it is 36 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 115,100 vehicles a day, roughly 7% of them trucks, projected to reach 143,300 by 2040. The structure is 79 ft (24.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 60
CrossesSossaman Channel
Location17.62 MI E of JCT I 10
RouteU.S. Route 60
StateArizona
Coordinates33.3867, -111.6633
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionDecember 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 rating99 US tons
Inventory rating82 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115,100 (2020)
Projected traffic143,300 by 2040
Trucks7%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 60 over Sossaman Channel built?

It was built in 1989, making it 36 years old in 2025.

What condition is US 60 over Sossaman 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 December 2021.

How much traffic does US 60 over Sossaman Channel carry?

About 115,100 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is US 60 over Sossaman Channel?

The structure is 79 ft (24.1 m) long with a longest span of 12 ft (3.7 m).

Who owns US 60 over Sossaman Channel?

It is owned by the State Highway Agency.