Twelfth Av over Necanicum Rv.
GoodClatsop County, Oregon · 0.24 MI West of US 101 · Structure no. 19883 000 00000
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected April 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 250 ft
- 4 main spans
- Daily traffic
- 5,362
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Twelfth Av over Necanicum Rv. is a prestressed concrete slab carrying Twelfth Av over Necanicum Rv. in Clatsop County, Oregon. It was built in 2003, so it is 22 years old, younger than the Oregon average of 49.9 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 5,362 vehicles a day, roughly 5% of them trucks, projected to reach 6,112 by 2025. The structure is 250 ft (76.3 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twelfth Av over Necanicum Rv. built?
It was built in 2003, making it 22 years old in 2025.
What condition is Twelfth Av over Necanicum Rv. 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 April 2023.
How much traffic does Twelfth Av over Necanicum Rv. carry?
About 5,362 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Twelfth Av over Necanicum Rv.?
The structure is 250 ft (76.3 m) long with a longest span of 67 ft (20.5 m) and a deck 58 ft wide.
Who owns Twelfth Av over Necanicum Rv.?
It is owned by the City or Municipal Highway Agency.