US Bridges

Ft Lowell Road over Alvernon Channel

Good

Pima County, Arizona · 100 Ft E JCT Alvernon Way · Structure no. 09236

Built
1950
75 years old, rebuilt 1982
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
31,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ft Lowell Road over Alvernon Channel is a concrete continuous culvert carrying Ft Lowell Road over Alvernon Channel in Pima County, Arizona. It was built in 1950 and reconstructed in 1982, so it is 75 years old, older 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 31,000 vehicles a day, roughly 5% of them trucks, projected to reach 31,010 by 2042. The structure is 38 ft (11.6 m) long and 91 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFt Lowell Road
CrossesAlvernon Channel
Location100 Ft E JCT Alvernon Way
RouteCity Street 0
StateArizona
Coordinates32.2651, -110.9095
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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width91 ft (27.7 m)
Roadway width85 ft (25.9 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic31,000 (2022)
Projected traffic31,010 by 2042
Trucks5%
Lanes on structure6
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 Ft Lowell Road over Alvernon Channel built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1982.

What condition is Ft Lowell Road over Alvernon 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 March 2023.

How much traffic does Ft Lowell Road over Alvernon Channel carry?

About 31,000 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ft Lowell Road over Alvernon Channel?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 91 ft wide.

Who owns Ft Lowell Road over Alvernon Channel?

It is owned by the City or Municipal Highway Agency.