US Bridges

Pinnacle RD over Wash

Good

Pinal County, Arizona · 0.4 MI S JCT Mtn Vista DR · Structure no. 11399

Built
2000
25 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
300
2021 count
Owner
County
County Highway Agency

About this bridge

Pinnacle RD over Wash is a concrete continuous culvert carrying Pinnacle RD over Wash in Pinal County, Arizona. It was built in 2000, so it is 25 years old, younger 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 310 by 2041. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPinnacle RD
CrossesWash
Location0.4 MI S JCT Mtn Vista DR
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates33.36183, -111.45819
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic310 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Pinnacle RD over Wash built?

It was built in 2000, making it 25 years old in 2025.

What condition is Pinnacle RD 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 October 2021.

How much traffic does Pinnacle RD over Wash carry?

About 300 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Pinnacle RD over Wash?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Pinnacle RD over Wash?

It is owned by the County Highway Agency.