Murphy RD over Sams Bayou
GoodGrant Parish, Louisiana · 0.24 M.E. of Alford Rd. · Structure no. 082231291923901
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected February 2023
- Type
- Slab
- Concrete
- Length
- 132 ft
- 7 main spans
- Daily traffic
- 154
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Murphy RD over Sams Bayou is a concrete slab carrying Murphy RD over Sams Bayou in Grant Parish, Louisiana. It was built in 1985, so it is 40 years old, younger than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 154 vehicles a day, projected to reach 169 by 2042. The structure is 132 ft (40.2 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Murphy RD over Sams Bayou built?
It was built in 1985, making it 40 years old in 2025.
What condition is Murphy RD over Sams Bayou in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does Murphy RD over Sams Bayou carry?
About 154 vehicles per day (2022 count).
How long is Murphy RD over Sams Bayou?
The structure is 132 ft (40.2 m) long with a longest span of 19 ft (5.8 m) and a deck 27 ft wide.
Who owns Murphy RD over Sams Bayou?
It is owned by the County Highway Agency.