US Bridges

SR 87 over Sycamore Creek

Fair

Maricopa County, Arizona · 40.1 MI S JCT SR 260 · Structure no. 01562

Built
1972
53 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
245 ft
3 main spans
Daily traffic
19,001
2023 count
Owner
State
State Highway Agency

About this bridge

SR 87 over Sycamore Creek is a prestressed concrete box beam or girders - multiple carrying SR 87 over Sycamore Creek in Maricopa County, Arizona. It was built in 1972, so it is 53 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 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 19,001 vehicles a day, roughly 12% of them trucks, projected to reach 19,011 by 2042. The structure is 245 ft (74.7 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
CrossesSycamore Creek
Location40.1 MI S JCT SR 260
RouteState Highway 87
CountyMaricopa County
StateArizona
Coordinates33.7955, -111.4928
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating81 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span81 ft (24.7 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,001 (2023)
Projected traffic19,011 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 Sycamore Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 87 over Sycamore Creek 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 Sycamore Creek carry?

About 19,001 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 87 over Sycamore Creek?

The structure is 245 ft (74.7 m) long with a longest span of 81 ft (24.7 m) and a deck 45 ft wide.

Who owns SR 87 over Sycamore Creek?

It is owned by the State Highway Agency.