Hamilton ST over Forty Arpent Canal
PoorPosted for loadLafourche Parish, Louisiana · 1.3 MI N. of LA 308 · Structure no. 022929357902341
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 52 ft
- 3 main spans
- Daily traffic
- 204
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Hamilton ST over Forty Arpent Canal is a wood or timber stringer/multi-beam or girder carrying Hamilton ST over Forty Arpent Canal in Lafourche Parish, Louisiana. It was built in 1960, so it is 65 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 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 204 vehicles a day, projected to reach 224 by 2040. The structure is 52 ft (15.8 m) long and 16 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Hamilton ST over Forty Arpent Canal built?
It was built in 1960, making it 65 years old in 2025.
What condition is Hamilton ST over Forty Arpent Canal 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 June 2024.
How much traffic does Hamilton ST over Forty Arpent Canal carry?
About 204 vehicles per day (2020 count).
How long is Hamilton ST over Forty Arpent Canal?
The structure is 52 ft (15.8 m) long with a longest span of 17 ft (5.2 m) and a deck 16 ft wide.
Who owns Hamilton ST over Forty Arpent Canal?
It is owned by the County Highway Agency.