US Bridges

Woodruff Road over Washboard Wash

Fair

Navajo County, Arizona · 2.0 MI E JCT SR 77 · Structure no. 09598

Built
1978
47 years old
Condition
Fair
inspected May 2022
Type
Culvert
Steel
Length
60 ft
4 main spans
Daily traffic
265
2018 count
Owner
County
County Highway Agency

About this bridge

Woodruff Road over Washboard Wash is a steel culvert carrying Woodruff Road over Washboard Wash in Navajo County, Arizona. It was built in 1978, so it is 47 years old, younger 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 265 vehicles a day, roughly 5% of them trucks, projected to reach 275 by 2038. The structure is 60 ft (18.3 m) long. If it were closed, the detour would be 24.2 mi (39 km).

CarriesWoodruff Road
CrossesWashboard Wash
Location2.0 MI E JCT SR 77
RouteCounty Highway 0
StateArizona
Coordinates34.7915, -110.1001
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating41 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic265 (2018)
Projected traffic275 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Woodruff Road over Washboard Wash built?

It was built in 1978, making it 47 years old in 2025.

What condition is Woodruff Road over Washboard 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 May 2022.

How much traffic does Woodruff Road over Washboard Wash carry?

About 265 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Woodruff Road over Washboard Wash?

The structure is 60 ft (18.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Woodruff Road over Washboard Wash?

It is owned by the County Highway Agency.