LA0603 over Roundaway Bayou
PoorPosted for loadMadison Parish, Louisiana · 5.18 MI East of South Int · Structure no. 053303520105181
- Built
- 1955
- 70 years old
- Condition
- Poor
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 135 ft
- 7 main spans
- Daily traffic
- 100
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0603 over Roundaway Bayou is a wood or timber stringer/multi-beam or girder carrying LA0603 over Roundaway Bayou in Madison Parish, Louisiana. It was built in 1955, so it is 70 years old, older than the Louisiana average of 43 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 110 by 2041. The structure is 135 ft (41.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0603 over Roundaway Bayou built?
It was built in 1955, making it 70 years old in 2025.
What condition is LA0603 over Roundaway Bayou 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 April 2023.
How much traffic does LA0603 over Roundaway Bayou carry?
About 100 vehicles per day (2021 count), of which roughly 15% are trucks.
How long is LA0603 over Roundaway Bayou?
The structure is 135 ft (41.1 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.
Who owns LA0603 over Roundaway Bayou?
It is owned by the State Highway Agency.