US Bridges

SR 87 over Mc Clellan Wash

Fair

Pinal County, Arizona · 03.9 MI N JCT SR 287 · Structure no. 00546

Built
1931
94 years old, rebuilt 1959
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
200 ft
10 main spans
Daily traffic
9,412
2022 count
Owner
State
State Highway Agency

About this bridge

SR 87 over Mc Clellan Wash is a concrete slab carrying SR 87 over Mc Clellan Wash in Pinal County, Arizona. It was built in 1931 and reconstructed in 1959, so it is 94 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 9,412 vehicles a day, roughly 12% of them trucks, projected to reach 9,422 by 2042. The structure is 200 ft (61 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesSR 87
CrossesMc Clellan Wash
Location03.9 MI N JCT SR 287
RouteState Highway 87
CountyPinal County
StateArizona
Coordinates32.9361, -111.515
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length200 ft (61 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,412 (2022)
Projected traffic9,422 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 87 over Mc Clellan Wash built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1959.

What condition is SR 87 over Mc Clellan 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 January 2024.

How much traffic does SR 87 over Mc Clellan Wash carry?

About 9,412 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is SR 87 over Mc Clellan Wash?

The structure is 200 ft (61 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns SR 87 over Mc Clellan Wash?

It is owned by the State Highway Agency.