US Bridges

SR 87 over Wash

Fair

Coconino County, Arizona · 9.8 MI S JCT I-40 · Structure no. 04671

Built
1944
81 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
49 ft
4 main spans
Daily traffic
594
2021 count
Owner
State
State Highway Agency

About this bridge

SR 87 over Wash is a concrete continuous culvert carrying SR 87 over Wash in Coconino County, Arizona. It was built in 1944, so it is 81 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 594 vehicles a day, roughly 11% of them trucks, projected to reach 604 by 2041. The structure is 49 ft (14.9 m) long and 31 ft wide. If it were closed, the detour would be 60.9 mi (98 km).

Location

Open in Google Maps
CarriesSR 87
CrossesWash
Location9.8 MI S JCT I-40
RouteState Highway 87
CountyCoconino County
StateArizona
Coordinates34.92443, -110.81085
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span10 ft (3 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic594 (2021)
Projected traffic604 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.9 mi (98 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 87 over Wash built?

It was built in 1944, making it 81 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 April 2023.

How much traffic does SR 87 over Wash carry?

About 594 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is SR 87 over Wash?

The structure is 49 ft (14.9 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns SR 87 over Wash?

It is owned by the State Highway Agency.