US Bridges

SR 64 over Cataract Canyon

Good

Coconino County, Arizona · 1.8 MI N JCT I-40 · Structure no. 02735

Built
2001
24 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
106 ft
4 main spans
Daily traffic
6,177
2024 count
Owner
State
State Highway Agency

About this bridge

SR 64 over Cataract Canyon is a concrete continuous slab carrying SR 64 over Cataract Canyon in Coconino County, Arizona. It was built in 2001, so it is 24 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,177 vehicles a day, roughly 15% of them trucks, projected to reach 6,187 by 2042. The structure is 106 ft (32.3 m) long and 47 ft wide. If it were closed, the detour would be 51 mi (82 km).

CarriesSR 64
CrossesCataract Canyon
Location1.8 MI N JCT I-40
RouteState Highway 64
StateArizona
Coordinates35.2861, -112.1446
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span26 ft (7.9 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,177 (2024)
Projected traffic6,187 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 64 over Cataract Canyon built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR 64 over Cataract Canyon in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does SR 64 over Cataract Canyon carry?

About 6,177 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SR 64 over Cataract Canyon?

The structure is 106 ft (32.3 m) long with a longest span of 26 ft (7.9 m) and a deck 47 ft wide.

Who owns SR 64 over Cataract Canyon?

It is owned by the State Highway Agency.