Baseline Road over Coldwater River
PoorIsabella County, Michigan · .35 M W SE Cor Sec 31 T15 · Structure no. 000000000004340
- Built
- 1903
- 122 years old, rebuilt 1998
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 40 ft
- 1 main span
- Daily traffic
- 192
- 2002 count
- Owner
- County
- County Highway Agency
About this bridge
Baseline Road over Coldwater River is a steel stringer/multi-beam or girder carrying Baseline Road over Coldwater River in Isabella County, Michigan. It was built in 1903 and reconstructed in 1998, so it is 122 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 192 vehicles a day, projected to reach 234 by 2022. The structure is 40 ft (12.2 m) long and 24 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Baseline Road over Coldwater River built?
It was built in 1903, making it 122 years old in 2025. It was reconstructed in 1998.
What condition is Baseline Road over Coldwater 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 July 2024.
How much traffic does Baseline Road over Coldwater River carry?
About 192 vehicles per day (2002 count).
How long is Baseline Road over Coldwater River?
The structure is 40 ft (12.2 m) long with a longest span of 33 ft (10 m) and a deck 24 ft wide.
Who owns Baseline Road over Coldwater River?
It is owned by the County Highway Agency.