US Bridges

Mile Wide Road over Brawley Wash

FairPosted for load

Pima County, Arizona · 1.5 MI W Sandario RD · Structure no. 08474

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Truss - Thru
Steel
Length
106 ft
1 main span
Daily traffic
794
2022 count
Owner
County
County Highway Agency

About this bridge

Mile Wide Road over Brawley Wash is a steel truss - thru carrying Mile Wide Road over Brawley Wash in Pima County, Arizona. It was built in 1962, so it is 63 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 794 vehicles a day, projected to reach 804 by 2042. The structure is 106 ft (32.3 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMile Wide Road
CrossesBrawley Wash
Location1.5 MI W Sandario RD
RouteCounty Highway 0
CountyPima County
StateArizona
Coordinates32.2481, -111.2443
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating12 US tons
Inventory rating7.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length106 ft (32.3 m)
Longest span61 ft (18.6 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic794 (2022)
Projected traffic804 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mile Wide Road over Brawley Wash built?

It was built in 1962, making it 63 years old in 2025.

What condition is Mile Wide Road over Brawley 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 July 2023.

How much traffic does Mile Wide Road over Brawley Wash carry?

About 794 vehicles per day (2022 count).

How long is Mile Wide Road over Brawley Wash?

The structure is 106 ft (32.3 m) long with a longest span of 61 ft (18.6 m) and a deck 18 ft wide.

Who owns Mile Wide Road over Brawley Wash?

It is owned by the County Highway Agency.