US Bridges

SR 84 over Hammock Wash

Good

Pinal County, Arizona · 1.2 MI E JCT I-8 · Structure no. 04539

Built
1961
64 years old
Condition
Good
inspected February 2022
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
1,516
2021 count
Owner
State
State Highway Agency

About this bridge

SR 84 over Hammock Wash is a concrete continuous culvert carrying SR 84 over Hammock Wash in Pinal County, Arizona. It was built in 1961, so it is 64 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 1,516 vehicles a day, roughly 11% of them trucks, projected to reach 1,526 by 2041. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesSR 84
CrossesHammock Wash
Location1.2 MI E JCT I-8
RouteState Highway 84
CountyPinal County
StateArizona
Coordinates32.8405, -112.1133
Functional classRural Principal Arterial - Other

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
Waterway adequacy7: Better than present minimum 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 length24 ft (7.3 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 traffic1,516 (2021)
Projected traffic1,526 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Hammock Wash built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 84 over Hammock 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 Hammock Wash carry?

About 1,516 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is SR 84 over Hammock Wash?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns SR 84 over Hammock Wash?

It is owned by the State Highway Agency.