US Bridges

Haarrison RD over Medium Wash

Good

Pima County, Arizona · 0.4 MI S 0F Sahuarita RD · Structure no. 11588

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
3,627
2022 count
Owner
County
County Highway Agency

About this bridge

Haarrison RD over Medium Wash is a concrete continuous culvert carrying Haarrison RD over Medium Wash in Pima County, Arizona. It was built in 2005, so it is 20 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 3,627 vehicles a day, roughly 5% of them trucks, projected to reach 3,637 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 4.3 mi (7 km).

Location

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CarriesHaarrison RD
CrossesMedium Wash
Location0.4 MI S 0F Sahuarita RD
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates31.95675, -110.78947
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic3,627 (2022)
Projected traffic3,637 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 Haarrison RD over Medium Wash built?

It was built in 2005, making it 20 years old in 2025.

What condition is Haarrison RD over Medium 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 Haarrison RD over Medium Wash carry?

About 3,627 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Haarrison RD over Medium Wash?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Haarrison RD over Medium Wash?

It is owned by the County Highway Agency.