US Bridges

SR 83 over Wash

Good

Pima County, Arizona · 4.5 MI S JCT I 10 · Structure no. 04536

Built
1966
59 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
2,311
2024 count
Owner
State
State Highway Agency

About this bridge

SR 83 over Wash is a concrete continuous culvert carrying SR 83 over Wash in Pima County, Arizona. It was built in 1966, so it is 59 years old, older 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 2,311 vehicles a day, roughly 8% of them trucks, projected to reach 2,321 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR 83
CrossesWash
Location4.5 MI S JCT I 10
RouteState Highway 83
StateArizona
Coordinates31.9552, -110.6687
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,311 (2024)
Projected traffic2,321 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 83 over Wash built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR 83 over Wash 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 May 2024.

How much traffic does SR 83 over Wash carry?

About 2,311 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 83 over Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns SR 83 over Wash?

It is owned by the State Highway Agency.