US Bridges

IRR US 89 over Wash

Good

Coconino County, Arizona · 4.98 MI S JCT SR 64 · Structure no. 06609

Built
1976
49 years old
Condition
Good
inspected August 2022
Type
Culvert
Steel
Length
33 ft
3 main spans
Daily traffic
6,701
2020 count
Owner
State
State Highway Agency

About this bridge

IRR US 89 over Wash is a steel culvert carrying IRR US 89 over Wash in Coconino County, Arizona. It was built in 1976, so it is 49 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 6,701 vehicles a day, roughly 15% of them trucks, projected to reach 6,711 by 2040. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 77.1 mi (124 km).

Location

Open in Google Maps
CarriesIRR US 89
CrossesWash
Location4.98 MI S JCT SR 64
RouteU.S. Route 89
CountyCoconino County
StateArizona
Coordinates35.7887, -111.4509
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 protection7 GoodSome minor problems.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,701 (2020)
Projected traffic6,711 by 2040
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed77.1 mi (124 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 1976, making it 49 years old in 2025.

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 6,701 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is IRR US 89 over Wash?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns IRR US 89 over Wash?

It is owned by the State Highway Agency.