Fort Irwin RD over Storm Drainage
FairPosted for loadSan Bernardino County, California · Near Nasa Road · Structure no. DAPFORNTC000007
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 6,760
- 2008 count
- Owner
- Federal
- Army
About this bridge
Fort Irwin RD over Storm Drainage is a prestressed concrete slab carrying Fort Irwin RD over Storm Drainage in San Bernardino County, California. It was built in 1986, so it is 39 years old, younger than the California average of 54.8 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. Its operating status is: posted for load restriction.
It carries about 6,760 vehicles a day, roughly 12% of them trucks, projected to reach 10,243 by 2046. The structure is 28 ft (8.5 m) long and 42 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fort Irwin RD over Storm Drainage built?
It was built in 1986, making it 39 years old in 2025.
What condition is Fort Irwin RD over Storm Drainage 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 April 2024.
How much traffic does Fort Irwin RD over Storm Drainage carry?
About 6,760 vehicles per day (2008 count), of which roughly 12% are trucks.
How long is Fort Irwin RD over Storm Drainage?
The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.
Who owns Fort Irwin RD over Storm Drainage?
It is owned by the Army.