M-18 over N Br Cedar River
FairGladwin County, Michigan · 1.6 MI SE of Skeels · Structure no. 000000000002878
- Built
- 1923
- 102 years old, rebuilt 1976
- Condition
- Fair
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 1,596
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-18 over N Br Cedar River is a prestressed concrete box beam or girders - multiple carrying M-18 over N Br Cedar River in Gladwin County, Michigan. It was built in 1923 and reconstructed in 1976, so it is 102 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,596 vehicles a day, roughly 7% of them trucks, projected to reach 2,395 by 2018. The structure is 50 ft (15.2 m) long and 42 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 | 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 M-18 over N Br Cedar River built?
It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1976.
What condition is M-18 over N Br Cedar River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.
How much traffic does M-18 over N Br Cedar River carry?
About 1,596 vehicles per day (2007 count), of which roughly 7% are trucks.
How long is M-18 over N Br Cedar River?
The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 42 ft wide.
Who owns M-18 over N Br Cedar River?
It is owned by the State Highway Agency.