US Bridges

Alvernon Way over 34-36 Connection

Good

Pima County, Arizona · 0.3 MI S JCT 29th ST · Structure no. 09974

Built
1984
41 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
6,660
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Alvernon Way over 34-36 Connection is a prestressed concrete box beam or girders - single or spread carrying Alvernon Way over 34-36 Connection 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 6,660 vehicles a day, roughly 5% of them trucks, projected to reach 6,670 by 2042. The structure is 74 ft (22.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAlvernon Way
Crosses34-36 Connection
Location0.3 MI S JCT 29th ST
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.1949, -110.9107
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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span69 ft (21 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,660 (2022)
Projected traffic6,670 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Alvernon Way over 34-36 Connection built?

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

What condition is Alvernon Way over 34-36 Connection 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 Alvernon Way over 34-36 Connection carry?

About 6,660 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Alvernon Way over 34-36 Connection?

The structure is 74 ft (22.6 m) long with a longest span of 69 ft (21 m) and a deck 31 ft wide.

Who owns Alvernon Way over 34-36 Connection?

It is owned by the City or Municipal Highway Agency.