US Bridges

SR 87 SB over Wash

Good

Navajo County, Arizona · 0.6 MI E JCT SR B40 · Structure no. 04261

Built
1954
71 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
54 ft
5 main spans
Daily traffic
431
2021 count
Owner
State
State Highway Agency

About this bridge

SR 87 SB over Wash is a concrete continuous culvert carrying SR 87 SB over Wash in Navajo County, Arizona. It was built in 1954, so it is 71 years old, older 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 431 vehicles a day, roughly 24% of them trucks, projected to reach 441 by 2041. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 87 SB
CrossesWash
Location0.6 MI E JCT SR B40
RouteState Highway 87
CountyNavajo County
StateArizona
Coordinates35.01057, -110.66729
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic431 (2021)
Projected traffic441 by 2041
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 SB over Wash built?

It was built in 1954, making it 71 years old in 2025.

What condition is SR 87 SB over Wash 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 May 2023.

How much traffic does SR 87 SB over Wash carry?

About 431 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is SR 87 SB over Wash?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m).

Who owns SR 87 SB over Wash?

It is owned by the State Highway Agency.