US Bridges

SR 84 over Wash

Fair

Pinal County, Arizona · 9.4 MI E JCT I-8 · Structure no. 04547

Built
1946
79 years old, rebuilt 2004
Condition
Fair
inspected February 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
4,178
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 1946 and reconstructed in 2004, so it is 79 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 4,178 vehicles a day, roughly 11% of them trucks, projected to reach 4,188 by 2041. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 84
CrossesWash
Location9.4 MI E JCT I-8
RouteState Highway 84
CountyPinal County
StateArizona
Coordinates32.8794, -111.9866
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 protection7 GoodSome minor problems.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
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 traffic4,178 (2021)
Projected traffic4,188 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 1946, making it 79 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 4,178 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is SR 84 over Wash?

The structure is 21 ft (6.4 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.