Dawson over Huron River
PoorOakland County, Michigan · West of Martindale · Structure no. 000000000008203
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 750
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
Dawson over Huron River is a prestressed concrete box beam or girders - multiple carrying Dawson over Huron River in Oakland County, Michigan. It was built in 1964, so it is 61 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 750 vehicles a day, roughly 3% of them trucks, projected to reach 985 by 2031. The structure is 40 ft (12.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Dawson over Huron River built?
It was built in 1964, making it 61 years old in 2025.
What condition is Dawson over Huron River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does Dawson over Huron River carry?
About 750 vehicles per day (2014 count), of which roughly 3% are trucks.
How long is Dawson over Huron River?
The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.2 m) and a deck 33 ft wide.
Who owns Dawson over Huron River?
It is owned by the County Highway Agency.