US Bridges

LA Canoa over Drainageway

Good

Pima County, Arizona · 100 Ft N Calle Martina · Structure no. 08749

Built
1981
44 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

LA Canoa over Drainageway is a concrete continuous culvert carrying LA Canoa over Drainageway in Pima County, Arizona. It was built in 1981, so it is 44 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 260 by 2042. The structure is 32 ft (9.8 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA Canoa
CrossesDrainageway
Location100 Ft N Calle Martina
RouteCounty Highway 0
StateArizona
Coordinates31.88583, -110.98892
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width64 ft (19.5 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic260 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

OwnerCounty Highway Agency
Maintained byCounty 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 LA Canoa over Drainageway built?

It was built in 1981, making it 44 years old in 2025.

What condition is LA Canoa over Drainageway 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 2023.

How much traffic does LA Canoa over Drainageway carry?

About 250 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is LA Canoa over Drainageway?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 64 ft wide.

Who owns LA Canoa over Drainageway?

It is owned by the County Highway Agency.