US Bridges

Woodruff Road over Little Colorado River

Fair

Navajo County, Arizona · 5.3 MI E JCT SR 77 · Structure no. 09572

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
140 ft
2 main spans
Daily traffic
250
2022 count
Owner
County
County Highway Agency

About this bridge

Woodruff Road over Little Colorado River is a prestressed concrete continuous tee beam carrying Woodruff Road over Little Colorado River in Navajo 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 260 by 2042. The structure is 140 ft (42.7 m) long and 32 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesWoodruff Road
CrossesLittle Colorado River
Location5.3 MI E JCT SR 77
RouteCounty Highway 0
CountyNavajo County
StateArizona
Coordinates34.78208, -110.04422
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating14 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span68 ft (20.7 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck28 ft (8.5 m)

Traffic and service

Average daily traffic250 (2022)
Projected traffic260 by 2042
Trucks1%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Woodruff Road over Little Colorado River built?

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

What condition is Woodruff Road over Little Colorado River 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 June 2024.

How much traffic does Woodruff Road over Little Colorado River carry?

About 250 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Woodruff Road over Little Colorado River?

The structure is 140 ft (42.7 m) long with a longest span of 68 ft (20.7 m) and a deck 32 ft wide.

Who owns Woodruff Road over Little Colorado River?

It is owned by the County Highway Agency.