US Bridges

Alvernon Way over Alvernon Way NB Ramp

Fair

Pima County, Arizona · 0.6 MI N JCT Ajo Way · Structure no. 09811

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
145 ft
3 main spans
Daily traffic
66,902
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alvernon Way over Alvernon Way NB Ramp is a prestressed concrete continuous stringer/multi-beam or girder carrying Alvernon Way over Alvernon Way NB Ramp 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 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 66,902 vehicles a day, roughly 5% of them trucks, projected to reach 66,912 by 2042. The structure is 145 ft (44.2 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAlvernon Way
CrossesAlvernon Way NB Ramp
Location0.6 MI N JCT Ajo Way
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.1833, -110.9074
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span75 ft (22.9 m)
Deck width103 ft (31.5 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,902 (2022)
Projected traffic66,912 by 2042
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Alvernon Way over Alvernon Way NB Ramp built?

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

What condition is Alvernon Way over Alvernon Way NB Ramp 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 March 2023.

How much traffic does Alvernon Way over Alvernon Way NB Ramp carry?

About 66,902 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Alvernon Way over Alvernon Way NB Ramp?

The structure is 145 ft (44.2 m) long with a longest span of 75 ft (22.9 m) and a deck 103 ft wide.

Who owns Alvernon Way over Alvernon Way NB Ramp?

It is owned by the City or Municipal Highway Agency.