US Bridges

SB Alvernon over Pv Road/Diversion Chnl

Fair

Pima County, Arizona · SB Alvernon Way and Div · Structure no. 09812

Built
1984
41 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
353 ft
3 main spans
Daily traffic
8,010
2023 count
Owner
County
County Highway Agency

About this bridge

SB Alvernon over Pv Road/Diversion Chnl is a steel stringer/multi-beam or girder carrying SB Alvernon over Pv Road/Diversion Chnl 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 8,010 vehicles a day, roughly 5% of them trucks, projected to reach 8,020 by 2042. The structure is 353 ft (107.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSB Alvernon
CrossesPv Road/Diversion Chnl
LocationSB Alvernon Way and Div
RouteCounty Highway 5084
CountyPima County
StateArizona
Coordinates32.19405, -110.91056
Functional classUrban Other Principal Arterial

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length353 ft (107.6 m)
Longest span135 ft (41.1 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic8,010 (2023)
Projected traffic8,020 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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$2,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SB Alvernon over Pv Road/Diversion Chnl built?

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

What condition is SB Alvernon over Pv Road/Diversion Chnl 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 August 2023.

How much traffic does SB Alvernon over Pv Road/Diversion Chnl carry?

About 8,010 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SB Alvernon over Pv Road/Diversion Chnl?

The structure is 353 ft (107.6 m) long with a longest span of 135 ft (41.1 m) and a deck 31 ft wide.

Who owns SB Alvernon over Pv Road/Diversion Chnl?

It is owned by the County Highway Agency.