US-131 (old) over Muskegon River
Mecosta County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US-131 (old) over Muskegon River in Mecosta County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1996, making it 29 years old at the 2025 inventory.
- It carries about 7,526 vehicles a day (traffic count year 2007).
- Its listed owner is the state highway agency.
- It is one of 30 of the 80 inventoried bridges in Mecosta County rated good (37.5%); 3 (3.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (43.60795, -85.48056)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 299 ft |
| Location | 2.8 Mi NW of Stanwood |
| NBI structure number | 000000000006692 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Mecosta County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-131 SB over 3 Mile Road | 1979 | 20,300 | Good |
| US-131 NB over 3 Mile Road | 1979 | 20,300 | Fair |
| US-131 SB over Little Muskegon River | 1979 | 20,200 | Fair |
| US-131 NB over Little Muskegon River | 1979 | 20,200 | Fair |
| US-131 SB over Muskegon River | 1983 | 18,000 | Fair |
| US-131 NB over Muskegon River | 1982 | 18,000 | Fair |
All bridges nearby: Mecosta County, MI bridge conditions · every bridge in Mecosta County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.