US Bridges

IRR SR 98 over Wash

Good

Coconino County, Arizona · 11.3 MI N JCT US 160 · Structure no. 06558

Built
1972
53 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
2,661
2022 count
Owner
State
State Highway Agency

About this bridge

IRR SR 98 over Wash is a concrete continuous culvert carrying IRR SR 98 over Wash in Coconino County, Arizona. It was built in 1972, so it is 53 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 2,661 vehicles a day, roughly 13% of them trucks, projected to reach 2,671 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 47.8 mi (77 km).

CarriesIRR SR 98
CrossesWash
Location11.3 MI N JCT US 160
RouteState Highway 98
StateArizona
Coordinates36.57733, -110.77652
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 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 traffic2,661 (2022)
Projected traffic2,671 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR SR 98 over Wash built?

It was built in 1972, making it 53 years old in 2025.

What condition is IRR SR 98 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 SR 98 over Wash carry?

About 2,661 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is IRR SR 98 over Wash?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns IRR SR 98 over Wash?

It is owned by the State Highway Agency.