US Bridges

Alvernon Way over UPRR & SB Frontage RD

Fair

Pima County, Arizona · Alvernon Way and SPRR S · Structure no. 09813

Built
1984
41 years old
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
417 ft
5 main spans
Daily traffic
38,627
2022 count
Owner
County
County Highway Agency

About this bridge

Alvernon Way over UPRR & SB Frontage RD is a prestressed concrete continuous box beam or girders - multiple carrying Alvernon Way over UPRR & SB Frontage RD 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 38,627 vehicles a day, roughly 10% of them trucks, projected to reach 38,637 by 2042. The structure is 417 ft (127.1 m) long and 115 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesAlvernon Way
CrossesUPRR & SB Frontage RD
LocationAlvernon Way and SPRR S
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.1781, -110.909
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 inspectionJanuary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating22 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length417 ft (127.1 m)
Longest span100 ft (30.5 m)
Deck width115 ft (35.1 m)
Roadway width92 ft (28 m)
Vertical clearance over deck20 ft (6.1 m)

Traffic and service

Average daily traffic38,627 (2022)
Projected traffic38,637 by 2042
Trucks10%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Alvernon Way over UPRR & SB Frontage RD built?

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

What condition is Alvernon Way over UPRR & SB Frontage RD 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 January 2023.

How much traffic does Alvernon Way over UPRR & SB Frontage RD carry?

About 38,627 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Alvernon Way over UPRR & SB Frontage RD?

The structure is 417 ft (127.1 m) long with a longest span of 100 ft (30.5 m) and a deck 115 ft wide.

Who owns Alvernon Way over UPRR & SB Frontage RD?

It is owned by the County Highway Agency.