Nat Key RD over Robertson Branch
GoodMorgan County, Alabama · 1.1 MI East of Mt Zion RD · Structure no. 021836
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected February 2024
- Type
- Culvert
- Concrete
- Length
- 37 ft
- 3 main spans
- Daily traffic
- 710
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Nat Key RD over Robertson Branch is a concrete culvert carrying Nat Key RD over Robertson Branch in Morgan County, Alabama. It was built in 2023, so it is 2 years old, younger than the Alabama average of 51.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 710 vehicles a day, roughly 5% of them trucks, projected to reach 1,098 by 2044. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 11.2 mi (18 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nat Key RD over Robertson Branch built?
It was built in 2023, making it 2 years old in 2025.
What condition is Nat Key RD over Robertson Branch 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 2024.
How much traffic does Nat Key RD over Robertson Branch carry?
About 710 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Nat Key RD over Robertson Branch?
The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).
Who owns Nat Key RD over Robertson Branch?
It is owned by the County Highway Agency.