US Bridges

San Tan Heights over Wash

Good

Pinal County, Arizona · 0.2 MI S JCT Mtn Vista Bl · Structure no. 11443

Built
2003
22 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
1,861
2022 count
Owner
County
County Highway Agency

About this bridge

San Tan Heights over Wash is a concrete continuous culvert carrying San Tan Heights over Wash in Pinal County, Arizona. It was built in 2003, so it is 22 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,861 vehicles a day, roughly 2% of them trucks, projected to reach 1,871 by 2042. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSan Tan Heights
CrossesWash
Location0.2 MI S JCT Mtn Vista Bl
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates33.18131, -111.60597
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 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 traffic1,861 (2022)
Projected traffic1,871 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 San Tan Heights over Wash built?

It was built in 2003, making it 22 years old in 2025.

What condition is San Tan Heights 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 2023.

How much traffic does San Tan Heights over Wash carry?

About 1,861 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is San Tan Heights over Wash?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns San Tan Heights over Wash?

It is owned by the County Highway Agency.