Llewellyn RD over Muddy Creek Overflow
PoorPosted for loadBenton County, Oregon · 0239 MI W of HWY 99-W · Structure no. 14400 000 00240
- Built
- 1959
- 66 years old
- Condition
- Poor
- inspected July 2024
- Type
- Slab
- Wood or Timber
- Length
- 39 ft
- 2 main spans
- Daily traffic
- 437
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Llewellyn RD over Muddy Creek Overflow is a wood or timber slab carrying Llewellyn RD over Muddy Creek Overflow in Benton County, Oregon. It was built in 1959, so it is 66 years old, older than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 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 437 vehicles a day, roughly 5% of them trucks, projected to reach 721 by 2040. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 Llewellyn RD over Muddy Creek Overflow built?
It was built in 1959, making it 66 years old in 2025.
What condition is Llewellyn RD over Muddy Creek Overflow 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 July 2024.
How much traffic does Llewellyn RD over Muddy Creek Overflow carry?
About 437 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Llewellyn RD over Muddy Creek Overflow?
The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 32 ft wide.
Who owns Llewellyn RD over Muddy Creek Overflow?
It is owned by the County Highway Agency.