US Bridges

US 160 over Hamblin Wash

Fair

Coconino County, Arizona · 0.7 MI E JCT US 89 · Structure no. 00531

Built
1958
67 years old, rebuilt 1987
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
202 ft
7 main spans
Daily traffic
5,724
2022 count
Owner
State
State Highway Agency

About this bridge

US 160 over Hamblin Wash is a concrete continuous slab carrying US 160 over Hamblin Wash in Coconino County, Arizona. It was built in 1958 and reconstructed in 1987, so it is 67 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 5,724 vehicles a day, roughly 9% of them trucks, projected to reach 5,734 by 2042. The structure is 202 ft (61.6 m) long and 47 ft wide. If it were closed, the detour would be 82 mi (132 km).

Location

Open in Google Maps
CarriesUS 160
CrossesHamblin Wash
Location0.7 MI E JCT US 89
RouteU.S. Route 160
CountyCoconino County
StateArizona
Coordinates36.07853, -111.38073
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,724 (2022)
Projected traffic5,734 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed82 mi (132 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 160 over Hamblin Wash built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1987.

What condition is US 160 over Hamblin 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 September 2024.

How much traffic does US 160 over Hamblin Wash carry?

About 5,724 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is US 160 over Hamblin Wash?

The structure is 202 ft (61.6 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns US 160 over Hamblin Wash?

It is owned by the State Highway Agency.