US Bridges

American Ave over Tucson Wash

Fair

Pinal County, Arizona · 1.3 MI S JCT SR 77 · Structure no. 09607

Built
1958
67 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete Continuous
Length
43 ft
4 main spans
Daily traffic
731
2020 count
Owner
County
County Highway Agency

About this bridge

American Ave over Tucson Wash is a concrete continuous culvert carrying American Ave over Tucson Wash in Pinal County, Arizona. It was built in 1958, so it is 67 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 731 vehicles a day, roughly 5% of them trucks, projected to reach 741 by 2040. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesAmerican Ave
CrossesTucson Wash
Location1.3 MI S JCT SR 77
RouteCounty Highway 0
CountyPinal County
StateArizona
Coordinates32.614, -110.7578
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 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 traffic731 (2020)
Projected traffic741 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 American Ave over Tucson Wash built?

It was built in 1958, making it 67 years old in 2025.

What condition is American Ave over Tucson 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 November 2021.

How much traffic does American Ave over Tucson Wash carry?

About 731 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is American Ave over Tucson Wash?

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

Who owns American Ave over Tucson Wash?

It is owned by the County Highway Agency.