Richardson Road over Pinnebog River
GoodHuron County, Michigan · Sec. 3-10 Oliver Twp. · Structure no. 000000000003633
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected September 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 55 ft
- 2 main spans
- Daily traffic
- 435
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
Richardson Road over Pinnebog River is a prestressed concrete tee beam carrying Richardson Road over Pinnebog River in Huron County, Michigan. It was built in 1988, so it is 37 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 435 vehicles a day, roughly 1% of them trucks, projected to reach 785 by 2029. The structure is 55 ft (16.7 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Richardson Road over Pinnebog River built?
It was built in 1988, making it 37 years old in 2025.
What condition is Richardson Road over Pinnebog 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 September 2023.
How much traffic does Richardson Road over Pinnebog River carry?
About 435 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is Richardson Road over Pinnebog River?
The structure is 55 ft (16.7 m) long with a longest span of 26 ft (8 m) and a deck 32 ft wide.
Who owns Richardson Road over Pinnebog River?
It is owned by the County Highway Agency.