County RD 7A over Larson Slough
GoodCoos County, Oregon · 0230 Miles NE Nothbend Br · Structure no. 18821 07A 00230
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected September 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 1,801
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 7A over Larson Slough is a prestressed concrete slab carrying County RD 7A over Larson Slough in Coos County, Oregon. It was built in 2001, so it is 24 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 1,801 vehicles a day, roughly 10% of them trucks, projected to reach 2,036 by 2025. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD 7A over Larson Slough built?
It was built in 2001, making it 24 years old in 2025.
What condition is County RD 7A over Larson Slough 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 County RD 7A over Larson Slough carry?
About 1,801 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is County RD 7A over Larson Slough?
The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.7 m) and a deck 32 ft wide.
Who owns County RD 7A over Larson Slough?
It is owned by the County Highway Agency.