US Bridges

IRR US 89 over Wash

Good

Coconino County, Arizona · 8.4 MI N JCT I 40 · Structure no. 06797

Built
1986
39 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
10,660
2019 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 1986, so it is 39 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 10,660 vehicles a day, roughly 9% of them trucks, projected to reach 10,670 by 2039. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesIRR US 89
CrossesWash
Location8.4 MI N JCT I 40
RouteU.S. Route 89
StateArizona
Coordinates35.3134, -111.5427
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2021
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 rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 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 traffic10,660 (2019)
Projected traffic10,670 by 2039
Trucks9%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR US 89 over Wash built?

It was built in 1986, making it 39 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 July 2021.

How much traffic does IRR US 89 over Wash carry?

About 10,660 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is IRR US 89 over Wash?

The structure is 32 ft (9.8 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.