US Bridges

Hooper Ranch RD over Little Colorado River

PoorPosted for load

Apache County, Arizona · 1.5 MI E JCT US 180 · Structure no. 08777

Built
1984
41 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
34 ft
2 main spans
Daily traffic
40
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hooper Ranch RD over Little Colorado River is a steel continuous stringer/multi-beam or girder carrying Hooper Ranch RD over Little Colorado River in Apache County, Arizona. It was built in 1984, so it is 41 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 1% of them trucks, projected to reach 50 by 2042. The structure is 34 ft (10.4 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesHooper Ranch RD
CrossesLittle Colorado River
Location1.5 MI E JCT US 180
RouteCity Street 0
StateArizona
Coordinates34.1862, -109.3034
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span17 ft (5.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic50 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Hooper Ranch RD over Little Colorado River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Hooper Ranch RD over Little Colorado River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Hooper Ranch RD over Little Colorado River carry?

About 40 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Hooper Ranch RD over Little Colorado River?

The structure is 34 ft (10.4 m) long with a longest span of 17 ft (5.2 m) and a deck 16 ft wide.

Who owns Hooper Ranch RD over Little Colorado River?

It is owned by the Town or Township Highway Agency.