US-31 Br S over Black Creek
Muskegon County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US-31 Br S over Black Creek in Muskegon County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2024, making it 1 years old at the 2025 inventory.
- It carries about 10,838 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 28 of the 143 inventoried bridges in Muskegon County rated good (19.6%); 16 (11.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated poor in the 2024 inventory and is now good (deck 4 to 9, superstructure 5 to 9, substructure 4 to 9).
- Status change: reopened since 2024, when it was closed.
- Its most recent inspection on record is dated May 2024, on a 15-month routine inspection cycle.
- 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 → (43.18381, -86.22368)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 9 | Excellent condition |
| Superstructure | 5 | 9 | Excellent condition |
| Substructure | 4 | 9 | Excellent condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 102 ft |
| Location | 1.3 Mi NW of US-31 |
| NBI structure number | 000000000007616 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 15 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Muskegon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-31 over I-96 | 1959 | 62,644 | Fair |
| US-31 NB over Mi Shore RR & Laketon Av | 1960 | 32,065 | Fair |
| US-31 NB over Black Creek | 1959 | 31,322 | Fair |
| US-31 SB over Black Creek | 1949 | 31,322 | Fair |
| I-96 over Hile Rd | 1961 | 31,000 | Fair |
| I-96 EB over Airline Road | 1961 | 29,245 | Fair |
All bridges nearby: Muskegon County, MI bridge conditions · every bridge in Muskegon County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.