US Bridges

IRR SR 86 over Brawley Wash

Good

Pima County, Arizona · 1.5 MI W JCT SR 286 · Structure no. 01679

Built
1975
50 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
268 ft
4 main spans
Daily traffic
2,730
2022 count
Owner
State
State Highway Agency

About this bridge

IRR SR 86 over Brawley Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR SR 86 over Brawley Wash in Pima County, Arizona. It was built in 1975, so it is 50 years old, older 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 2,730 vehicles a day, roughly 14% of them trucks, projected to reach 2,740 by 2042. The structure is 268 ft (81.7 m) long and 47 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

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CarriesIRR SR 86
CrossesBrawley Wash
Location1.5 MI W JCT SR 286
RouteState Highway 86
CountyPima County
StateArizona
Coordinates32.0757, -111.3392
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length268 ft (81.7 m)
Longest span67 ft (20.4 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,730 (2022)
Projected traffic2,740 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 IRR SR 86 over Brawley Wash built?

It was built in 1975, making it 50 years old in 2025.

What condition is IRR SR 86 over Brawley 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 November 2024.

How much traffic does IRR SR 86 over Brawley Wash carry?

About 2,730 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is IRR SR 86 over Brawley Wash?

The structure is 268 ft (81.7 m) long with a longest span of 67 ft (20.4 m) and a deck 47 ft wide.

Who owns IRR SR 86 over Brawley Wash?

It is owned by the State Highway Agency.