Davison Rd. over Tilton River
PoorPosted for loadLewis County, Washington · 1.75 W Morton · Structure no. 084427000000000
- Built
- 1924
- 101 years old, rebuilt 1964
- Condition
- Poor
- inspected March 2023
- Type
- Truss - Thru
- Steel
- Length
- 103 ft
- 1 main span
- Daily traffic
- 117
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Davison Rd. over Tilton River is a steel truss - thru carrying Davison Rd. over Tilton River in Lewis County, Washington. It was built in 1924 and reconstructed in 1964, so it is 101 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 117 vehicles a day, roughly 13% of them trucks, projected to reach 212 by 2040. The structure is 103 ft (31.4 m) long and 21 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Davison Rd. over Tilton River built?
It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1964.
What condition is Davison Rd. over Tilton River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.
How much traffic does Davison Rd. over Tilton River carry?
About 117 vehicles per day (2020 count), of which roughly 13% are trucks.
How long is Davison Rd. over Tilton River?
The structure is 103 ft (31.4 m) long with a longest span of 100 ft (30.6 m) and a deck 21 ft wide.
Who owns Davison Rd. over Tilton River?
It is owned by the County Highway Agency.