US Bridges

IRR US 89 over Wash

Good

Coconino County, Arizona · 3.3 MI S JCT US 160 · Structure no. 04815

Built
1960
65 years old, rebuilt 1997
Condition
Good
inspected August 2022
Type
Culvert
Concrete Continuous
Length
63 ft
4 main spans
Daily traffic
7,618
2020 count
Owner
State
State Highway Agency

About this bridge

IRR US 89 over Wash is a concrete continuous culvert carrying IRR US 89 over Wash in Coconino County, Arizona. It was built in 1960 and reconstructed in 1997, so it is 65 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 7,618 vehicles a day, roughly 12% of them trucks, projected to reach 7,628 by 2040. The structure is 63 ft (19.2 m) long and 75 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesIRR US 89
CrossesWash
Location3.3 MI S JCT US 160
RouteU.S. Route 89
CountyCoconino County
StateArizona
Coordinates36.0286, -111.398
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span10 ft (3 m)
Deck width75 ft (22.9 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,618 (2020)
Projected traffic7,628 by 2040
Trucks12%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR US 89 over Wash built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1997.

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 August 2022.

How much traffic does IRR US 89 over Wash carry?

About 7,618 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is IRR US 89 over Wash?

The structure is 63 ft (19.2 m) long with a longest span of 10 ft (3 m) and a deck 75 ft wide.

Who owns IRR US 89 over Wash?

It is owned by the State Highway Agency.