IRR SR 98 over Shonto Wash
GoodNavajo County, Arizona · 2.8 MI N JCT US 160 · Structure no. 06800
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 32 ft
- 3 main spans
- Daily traffic
- 2,661
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SR 98 over Shonto Wash is a concrete continuous culvert carrying IRR SR 98 over Shonto Wash in Navajo County, Arizona. It was built in 1988, so it is 37 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 2,661 vehicles a day, roughly 13% of them trucks, projected to reach 2,671 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 19.9 mi (32 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR SR 98 over Shonto Wash built?
It was built in 1988, making it 37 years old in 2025.
What condition is IRR SR 98 over Shonto 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 Shonto Wash carry?
About 2,661 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is IRR SR 98 over Shonto Wash?
The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).
Who owns IRR SR 98 over Shonto Wash?
It is owned by the State Highway Agency.