US Bridges

SB SR 87 over NB SR 87

Good

Maricopa County, Arizona · 22.14 MI S of JCT 188 · Structure no. 02294

Built
1997
28 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
130 ft
1 main span
Daily traffic
11,096
2023 count
Owner
State
State Highway Agency

About this bridge

SB SR 87 over NB SR 87 is a prestressed concrete box beam or girders - single or spread carrying SB SR 87 over NB SR 87 in Maricopa County, Arizona. It was built in 1997, so it is 28 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 11,096 vehicles a day, roughly 12% of them trucks, projected to reach 11,106 by 2042. The structure is 130 ft (39.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSB SR 87
CrossesNB SR 87
Location22.14 MI S of JCT 188
RouteState Highway 87
CountyMaricopa County
StateArizona
Coordinates33.806, -111.4867
Functional classRural Principal Arterial - Other

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.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating52 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span125 ft (38.1 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,096 (2023)
Projected traffic11,106 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SB SR 87 over NB SR 87 built?

It was built in 1997, making it 28 years old in 2025.

What condition is SB SR 87 over NB SR 87 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 September 2023.

How much traffic does SB SR 87 over NB SR 87 carry?

About 11,096 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SB SR 87 over NB SR 87?

The structure is 130 ft (39.6 m) long with a longest span of 125 ft (38.1 m) and a deck 45 ft wide.

Who owns SB SR 87 over NB SR 87?

It is owned by the State Highway Agency.