M-55|E Houghton LA over Muskegon River
FairMissaukee County, Michigan · 1.8 MI W of Roscommon Col · Structure no. 000000000007030
- Built
- 1935
- 90 years old, rebuilt 1989
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 90 ft
- 2 main spans
- Daily traffic
- 4,338
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-55|E Houghton LA over Muskegon River is a steel stringer/multi-beam or girder carrying M-55|E Houghton LA over Muskegon River in Missaukee County, Michigan. It was built in 1935 and reconstructed in 1989, so it is 90 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 4,338 vehicles a day, roughly 15% of them trucks, projected to reach 5,507 by 2018. The structure is 90 ft (27.4 m) long and 41 ft wide. If it were closed, the detour would be 39.8 mi (64 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 | 7 Good | Some minor problems. |
| 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-55|E Houghton LA over Muskegon River built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1989.
What condition is M-55|E Houghton LA over Muskegon 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 June 2024.
How much traffic does M-55|E Houghton LA over Muskegon River carry?
About 4,338 vehicles per day (2007 count), of which roughly 15% are trucks.
How long is M-55|E Houghton LA over Muskegon River?
The structure is 90 ft (27.4 m) long with a longest span of 44 ft (13.3 m) and a deck 41 ft wide.
Who owns M-55|E Houghton LA over Muskegon River?
It is owned by the State Highway Agency.