Old 77 - Vesper LN over Lousignont Creek
FairClatsop County, Oregon · 038 M E on C1504-ORE202 J · Structure no. 17412 150400383
- Built
- 1994
- 31 years old
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 70 ft
- 1 main span
- Daily traffic
- 125
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Old 77 - Vesper LN over Lousignont Creek is a prestressed concrete slab carrying Old 77 - Vesper LN over Lousignont Creek in Clatsop County, Oregon. It was built in 1994, so it is 31 years old, younger than the Oregon average of 49.9 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 125 vehicles a day, roughly 10% of them trucks, projected to reach 179 by 2030. The structure is 70 ft (21.3 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 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 Old 77 - Vesper LN over Lousignont Creek built?
It was built in 1994, making it 31 years old in 2025.
What condition is Old 77 - Vesper LN over Lousignont Creek 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 2023.
How much traffic does Old 77 - Vesper LN over Lousignont Creek carry?
About 125 vehicles per day (2010 count), of which roughly 10% are trucks.
How long is Old 77 - Vesper LN over Lousignont Creek?
The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 28 ft wide.
Who owns Old 77 - Vesper LN over Lousignont Creek?
It is owned by the County Highway Agency.