Hall RD over Thunder Bay River
GoodMontmorency County, Michigan · 0.65 MI NW of M-33 · Structure no. 000000000014649
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected November 2023
- Type
- Slab
- Wood or Timber
- Length
- 64 ft
- 3 main spans
- Daily traffic
- 40
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Hall RD over Thunder Bay River is a wood or timber slab carrying Hall RD over Thunder Bay River in Montmorency County, Michigan. It was built in 2023, so it is 2 years old, younger than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 40 vehicles a day, roughly 1% of them trucks, projected to reach 50 by 2043. The structure is 64 ft (19.5 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| 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 Hall RD over Thunder Bay River built?
It was built in 2023, making it 2 years old in 2025.
What condition is Hall RD over Thunder Bay River 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 November 2023.
How much traffic does Hall RD over Thunder Bay River carry?
About 40 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Hall RD over Thunder Bay River?
The structure is 64 ft (19.5 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.
Who owns Hall RD over Thunder Bay River?
It is owned by the County Highway Agency.