Irr# SH 84 Ml over Navajo River
FairArchuleta County, Colorado · 4.5 MI NW of New Mexico S · Structure no. P-09-D
- Built
- 1938
- 87 years old, rebuilt 1984
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 102 ft
- 2 main spans
- Daily traffic
- 1,100
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Irr# SH 84 Ml over Navajo River is a steel continuous stringer/multi-beam or girder carrying Irr# SH 84 Ml over Navajo River in Archuleta County, Colorado. It was built in 1938 and reconstructed in 1984, so it is 87 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,133 by 2040. The structure is 102 ft (31.1 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Irr# SH 84 Ml over Navajo River built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1984.
What condition is Irr# SH 84 Ml over Navajo River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.
How much traffic does Irr# SH 84 Ml over Navajo River carry?
About 1,100 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is Irr# SH 84 Ml over Navajo River?
The structure is 102 ft (31.1 m) long with a longest span of 51 ft (15.5 m) and a deck 32 ft wide.
Who owns Irr# SH 84 Ml over Navajo River?
It is owned by the State Highway Agency.