LA0577 over Sutt Bayou
PoorPosted for loadMadison Parish, Louisiana · 1.8 MI South of I-20 · Structure no. 053301640212621
- Built
- 1958
- 67 years old
- Condition
- Poor
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 116 ft
- 6 main spans
- Daily traffic
- 184
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0577 over Sutt Bayou is a wood or timber stringer/multi-beam or girder carrying LA0577 over Sutt Bayou in Madison Parish, Louisiana. It was built in 1958, so it is 67 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 184 vehicles a day, roughly 19% of them trucks, projected to reach 202 by 2041. The structure is 116 ft (35.4 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 LA0577 over Sutt Bayou built?
It was built in 1958, making it 67 years old in 2025.
What condition is LA0577 over Sutt 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 LA0577 over Sutt Bayou carry?
About 184 vehicles per day (2021 count), of which roughly 19% are trucks.
How long is LA0577 over Sutt Bayou?
The structure is 116 ft (35.4 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.
Who owns LA0577 over Sutt Bayou?
It is owned by the State Highway Agency.