US Bridges

Aviation HWY over Diversion Channel

Good

Pima County, Arizona · 0.3 MI W JCT Alvernon Way · Structure no. 09814

Built
1984
41 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
17,724
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Aviation HWY over Diversion Channel is a prestressed concrete stringer/multi-beam or girder carrying Aviation HWY over Diversion Channel in Pima County, Arizona. It was built in 1984, so it is 41 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 17,724 vehicles a day, roughly 10% of them trucks, projected to reach 17,734 by 2042. The structure is 65 ft (19.8 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAviation HWY
CrossesDiversion Channel
Location0.3 MI W JCT Alvernon Way
RouteCity Street 0
StateArizona
Coordinates32.1906, -110.9153
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 rating98 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width88 ft (26.8 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,724 (2022)
Projected traffic17,734 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Aviation HWY over Diversion Channel built?

It was built in 1984, making it 41 years old in 2025.

What condition is Aviation HWY over Diversion 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 Aviation HWY over Diversion Channel carry?

About 17,724 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Aviation HWY over Diversion Channel?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 88 ft wide.

Who owns Aviation HWY over Diversion Channel?

It is owned by the City or Municipal Highway Agency.