US Bridges

IRR US 89 over Wash

Good

Coconino County, Arizona · 2.1 MI N JCT SR 64 · Structure no. 00696

Built
1962
63 years old, rebuilt 2016
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
111 ft
4 main spans
Daily traffic
8,930
2022 count
Owner
State
State Highway Agency

About this bridge

IRR US 89 over Wash is a concrete continuous slab carrying IRR US 89 over Wash in Coconino County, Arizona. It was built in 1962 and reconstructed in 2016, so it is 63 years old, older 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 8,930 vehicles a day, roughly 11% of them trucks, projected to reach 8,940 by 2042. The structure is 111 ft (33.8 m) long and 60 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIRR US 89
CrossesWash
Location2.1 MI N JCT SR 64
RouteU.S. Route 89
StateArizona
Coordinates35.8848, -111.40917
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable 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 spans4
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span30 ft (9.1 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,930 (2022)
Projected traffic8,940 by 2042
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$1,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR US 89 over Wash built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2016.

What condition is IRR US 89 over Wash 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 September 2024.

How much traffic does IRR US 89 over Wash carry?

About 8,930 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is IRR US 89 over Wash?

The structure is 111 ft (33.8 m) long with a longest span of 30 ft (9.1 m) and a deck 60 ft wide.

Who owns IRR US 89 over Wash?

It is owned by the State Highway Agency.