US Bridges

SR 83 over Barrel Canyon

Fair

Pima County, Arizona · 10.8 MI S JCT I-10 · Structure no. 00494

Built
1928
97 years old, rebuilt 1957
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
2,488
2022 count
Owner
State
State Highway Agency

About this bridge

SR 83 over Barrel Canyon is a concrete continuous slab carrying SR 83 over Barrel Canyon in Pima County, Arizona. It was built in 1928 and reconstructed in 1957, so it is 97 years old, older 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 2,488 vehicles a day, roughly 11% of them trucks, projected to reach 2,498 by 2042. The structure is 44 ft (13.4 m) long and 33 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesSR 83
CrossesBarrel Canyon
Location10.8 MI S JCT I-10
RouteState Highway 83
CountyPima County
StateArizona
Coordinates31.86186, -110.6911
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span21 ft (6.4 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,488 (2022)
Projected traffic2,498 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 83 over Barrel Canyon built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1957.

What condition is SR 83 over Barrel Canyon 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 February 2024.

How much traffic does SR 83 over Barrel Canyon carry?

About 2,488 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SR 83 over Barrel Canyon?

The structure is 44 ft (13.4 m) long with a longest span of 21 ft (6.4 m) and a deck 33 ft wide.

Who owns SR 83 over Barrel Canyon?

It is owned by the State Highway Agency.