US Bridges

SR 84 over Wash

Fair

Pinal County, Arizona · 6.7 MI E JCT I-8 · Structure no. 04544

Built
1959
66 years old, rebuilt 2004
Condition
Fair
inspected February 2022
Type
Culvert
Concrete Continuous
Length
85 ft
8 main spans
Daily traffic
2,902
2021 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 1959 and reconstructed in 2004, so it is 66 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 2,902 vehicles a day, roughly 11% of them trucks, projected to reach 2,912 by 2041. The structure is 85 ft (25.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 84
CrossesWash
Location6.7 MI E JCT I-8
RouteState Highway 84
StateArizona
Coordinates32.8794, -112.0323
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length85 ft (25.9 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 traffic2,902 (2021)
Projected traffic2,912 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 1959, making it 66 years old in 2025. It was reconstructed in 2004.

What condition is SR 84 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 February 2022.

How much traffic does SR 84 over Wash carry?

About 2,902 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is SR 84 over Wash?

The structure is 85 ft (25.9 m) long with a longest span of 10 ft (3 m).

Who owns SR 84 over Wash?

It is owned by the State Highway Agency.