US Bridges

Carriage Lane over Western Canal

Fair

Maricopa County, Arizona · 0.5 MI E of Price Road · Structure no. 08404

Built
1979
46 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Carriage Lane over Western Canal is a prestressed concrete box beam or girders - multiple carrying Carriage Lane over Western Canal in Maricopa County, Arizona. It was built in 1979, so it is 46 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 800 vehicles a day, roughly 1% of them trucks, projected to reach 810 by 2042. The structure is 35 ft (10.7 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCarriage Lane
CrossesWestern Canal
Location0.5 MI E of Price Road
RouteCity Street 0
StateArizona
Coordinates33.3567, -111.8869
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating93 US tons
Inventory rating52 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width64 ft (19.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic800 (2023)
Projected traffic810 by 2042
Trucks1%
Lanes on structure2
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 Carriage Lane over Western Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is Carriage Lane over Western Canal 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 September 2024.

How much traffic does Carriage Lane over Western Canal carry?

About 800 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Carriage Lane over Western Canal?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 64 ft wide.

Who owns Carriage Lane over Western Canal?

It is owned by the City or Municipal Highway Agency.