Poston RD over I 10
FairLa Paz County, Arizona · 0.6 M E Ca ST Line · Structure no. 01704
- Built
- 1977
- 48 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 198 ft
- 2 main spans
- Daily traffic
- 6,923
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Poston RD over I 10 is a steel continuous stringer/multi-beam or girder carrying Poston RD over I 10 in La Paz County, Arizona. It was built in 1977, so it is 48 years old, older than the Arizona average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 6,923 vehicles a day, roughly 40% of them trucks, projected to reach 6,933 by 2042. The structure is 198 ft (60.4 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Poston RD over I 10 built?
It was built in 1977, making it 48 years old in 2025.
What condition is Poston RD over I 10 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 September 2024.
How much traffic does Poston RD over I 10 carry?
About 6,923 vehicles per day (2022 count), of which roughly 40% are trucks.
How long is Poston RD over I 10?
The structure is 198 ft (60.4 m) long with a longest span of 99 ft (30.2 m) and a deck 47 ft wide.
Who owns Poston RD over I 10?
It is owned by the State Highway Agency.