US Bridges

SR 87 over Wash

Fair

Maricopa County, Arizona · 21.47 MI S of JCT 188 · Structure no. 02295

Built
1998
27 years old
Condition
Fair
inspected September 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
1,080 ft
4 main spans
Daily traffic
18,991
2022 count
Owner
State
State Highway Agency

About this bridge

SR 87 over Wash is a prestressed concrete continuous segmental box girder carrying SR 87 over Wash in Maricopa County, Arizona. It was built in 1998, so it is 27 years old, younger 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 18,991 vehicles a day, roughly 12% of them trucks, projected to reach 19,001 by 2042. The structure is 1,080 ft (329.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 87
CrossesWash
Location21.47 MI S of JCT 188
RouteState Highway 87
CountyMaricopa County
StateArizona
Coordinates33.813, -111.485
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61.9 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length1,080 ft (329.2 m)
Longest span405 ft (123.4 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,991 (2022)
Projected traffic19,001 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SR 87 over Wash built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR 87 over 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 September 2023.

How much traffic does SR 87 over Wash carry?

About 18,991 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR 87 over Wash?

The structure is 1,080 ft (329.2 m) long with a longest span of 405 ft (123.4 m) and a deck 45 ft wide.

Who owns SR 87 over Wash?

It is owned by the State Highway Agency.