Fitchburg RD over Portage River Drain
GoodJackson County, Michigan · 0.5 MI N 1 MI W of Munith · Structure no. 000000000004502
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 453
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
Fitchburg RD over Portage River Drain is a prestressed concrete box beam or girders - multiple carrying Fitchburg RD over Portage River Drain in Jackson County, Michigan. It was built in 2003, so it is 22 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 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 453 vehicles a day, projected to reach 550 by 2022. The structure is 46 ft (14 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Fitchburg RD over Portage River Drain built?
It was built in 2003, making it 22 years old in 2025.
What condition is Fitchburg RD over Portage River Drain 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 October 2024.
How much traffic does Fitchburg RD over Portage River Drain carry?
About 453 vehicles per day (2003 count).
How long is Fitchburg RD over Portage River Drain?
The structure is 46 ft (14 m) long with a longest span of 44 ft (13.5 m) and a deck 31 ft wide.
Who owns Fitchburg RD over Portage River Drain?
It is owned by the County Highway Agency.