US Bridges

IRR US a 89 over Wash

Good

Coconino County, Arizona · 14.6 MI E JCT SR 67 · Structure no. 05213

Built
1931
94 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
1,101
2022 count
Owner
State
State Highway Agency

About this bridge

IRR US a 89 over Wash is a concrete continuous culvert carrying IRR US a 89 over Wash in Coconino County, Arizona. It was built in 1931, so it is 94 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 1,101 vehicles a day, roughly 11% of them trucks, projected to reach 1,111 by 2042. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesIRR US a 89
CrossesWash
Location14.6 MI E JCT SR 67
RouteU.S. Route 89
CountyCoconino County
StateArizona
Coordinates36.7266, -112.0309
Functional classRural Minor Arterial

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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,101 (2022)
Projected traffic1,111 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR US a 89 over Wash built?

It was built in 1931, making it 94 years old in 2025.

What condition is IRR US a 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 a 89 over Wash carry?

About 1,101 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is IRR US a 89 over Wash?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m) and a deck 23 ft wide.

Who owns IRR US a 89 over Wash?

It is owned by the State Highway Agency.