LA1156 over Mill Creek
PoorPosted for loadAllen Parish, Louisiana · 0.9 MI E of LA 112 · Structure no. 070208021100121
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected January 2024
- Type
- Slab
- Concrete
- Length
- 78 ft
- 4 main spans
- Daily traffic
- 550
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA1156 over Mill Creek is a concrete slab carrying LA1156 over Mill Creek in Allen Parish, Louisiana. It was built in 1966, so it is 59 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 550 vehicles a day, roughly 17% of them trucks, projected to reach 605 by 2041. The structure is 78 ft (23.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA1156 over Mill Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is LA1156 over Mill Creek 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 January 2024.
How much traffic does LA1156 over Mill Creek carry?
About 550 vehicles per day (2021 count), of which roughly 17% are trucks.
How long is LA1156 over Mill Creek?
The structure is 78 ft (23.8 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.
Who owns LA1156 over Mill Creek?
It is owned by the State Highway Agency.