US Bridges

SR 84 over Wash

Good

Pinal County, Arizona · 6.1 MI W JCT SR 387 · Structure no. 04549

Built
1957
68 years old, rebuilt 1966
Condition
Good
inspected February 2022
Type
Culvert
Concrete Continuous
Length
64 ft
6 main spans
Daily traffic
3,076
2016 count
Owner
State
State Highway Agency

About this bridge

SR 84 over Wash is a concrete continuous culvert carrying SR 84 over Wash in Pinal County, Arizona. It was built in 1957 and reconstructed in 1966, so it is 68 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 3,076 vehicles a day, roughly 11% of them trucks, projected to reach 3,086 by 2036. The structure is 64 ft (19.5 m) long and 45 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSR 84
CrossesWash
Location6.1 MI W JCT SR 387
RouteState Highway 84
CountyPinal County
StateArizona
Coordinates32.8795, -111.8604
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span10 ft (3 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,076 (2016)
Projected traffic3,086 by 2036
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 84 over Wash built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1966.

What condition is SR 84 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 February 2022.

How much traffic does SR 84 over Wash carry?

About 3,076 vehicles per day (2016 count), of which roughly 11% are trucks.

How long is SR 84 over Wash?

The structure is 64 ft (19.5 m) long with a longest span of 10 ft (3 m) and a deck 45 ft wide.

Who owns SR 84 over Wash?

It is owned by the State Highway Agency.