US Bridges

Woodruf-Snwflake R over Little Colorado River

FairPosted for load

Navajo County, Arizona · 3.0 MI S of Woodruff · Structure no. 08156

Built
1917
108 years old, rebuilt 2017
Condition
Fair
inspected July 2024
Type
Truss - Thru
Steel
Length
121 ft
1 main span
Daily traffic
105
2024 count
Owner
County
County Highway Agency

About this bridge

Woodruf-Snwflake R over Little Colorado River is a steel truss - thru carrying Woodruf-Snwflake R over Little Colorado River in Navajo County, Arizona. It was built in 1917 and reconstructed in 2017, so it is 108 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. Its operating status is: posted for load restriction.

It carries about 105 vehicles a day, projected to reach 115 by 2042. The structure is 121 ft (36.9 m) long and 16 ft wide. If it were closed, the detour would be 46 mi (74 km).

Location

Open in Google Maps
CarriesWoodruf-Snwflake R
CrossesLittle Colorado River
Location3.0 MI S of Woodruff
RouteCounty Highway 0
CountyNavajo County
StateArizona
Coordinates34.7394, -110.0373
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12 US tons
Inventory rating9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length121 ft (36.9 m)
Longest span120 ft (36.6 m)
Deck width16 ft (5 m)
Roadway width13 ft (4 m)
Vertical clearance over deck13 ft (4 m)

Traffic and service

Average daily traffic105 (2024)
Projected traffic115 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Woodruf-Snwflake R over Little Colorado River built?

It was built in 1917, making it 108 years old in 2025. It was reconstructed in 2017.

What condition is Woodruf-Snwflake R 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 July 2024.

How much traffic does Woodruf-Snwflake R over Little Colorado River carry?

About 105 vehicles per day (2024 count).

How long is Woodruf-Snwflake R over Little Colorado River?

The structure is 121 ft (36.9 m) long with a longest span of 120 ft (36.6 m) and a deck 16 ft wide.

Who owns Woodruf-Snwflake R over Little Colorado River?

It is owned by the County Highway Agency.