US Bridges

SR 87 SB over Sycamore Creek

Good

Maricopa County, Arizona · 17.5 MI S JCT SR 188 · Structure no. 02463

Built
1998
27 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
726 ft
6 main spans
Daily traffic
7,226
2022 count
Owner
State
State Highway Agency

About this bridge

SR 87 SB over Sycamore Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 87 SB over Sycamore Creek 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 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 7,226 vehicles a day, roughly 10% of them trucks, projected to reach 7,236 by 2042. The structure is 726 ft (221.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 87 SB
CrossesSycamore Creek
Location17.5 MI S JCT SR 188
RouteState Highway 87
StateArizona
Coordinates33.8678, -111.4678
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length726 ft (221.3 m)
Longest span121 ft (36.9 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,226 (2022)
Projected traffic7,236 by 2042
Trucks10%
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 SB over Sycamore Creek built?

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

What condition is SR 87 SB over Sycamore Creek 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 July 2024.

How much traffic does SR 87 SB over Sycamore Creek carry?

About 7,226 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is SR 87 SB over Sycamore Creek?

The structure is 726 ft (221.3 m) long with a longest span of 121 ft (36.9 m) and a deck 45 ft wide.

Who owns SR 87 SB over Sycamore Creek?

It is owned by the State Highway Agency.