US Bridges

SR 83 over Wash

Fair

Pima County, Arizona · 2.5 MI S JCT I 10 · Structure no. 04537

Built
1966
59 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
88 ft
4 main spans
Daily traffic
3,644
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 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 3,644 vehicles a day, roughly 12% of them trucks, projected to reach 3,654 by 2042. The structure is 88 ft (26.8 m) long. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSR 83
CrossesWash
Location2.5 MI S JCT I 10
RouteState Highway 83
StateArizona
Coordinates31.97, -110.6748
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length88 ft (26.8 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 traffic3,644 (2024)
Projected traffic3,654 by 2042
Trucks12%
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 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 May 2024.

How much traffic does SR 83 over Wash carry?

About 3,644 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SR 83 over Wash?

The structure is 88 ft (26.8 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.