Keefer Hwy over Sebewa Creek
Ionia County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Keefer Hwy over Sebewa Creek in Ionia County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1993, making it 32 years old at the 2025 inventory.
- It carries about 664 vehicles a day (traffic count year 2007).
- Its listed owner is the county highway agency.
- It is one of 37 of the 118 inventoried bridges in Ionia County rated good (31.4%); 12 (10.2%) are rated poor.
- 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 → (42.81328, -84.95584)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 35 ft |
| Location | 2 Mi W of Portland 4 Mi S |
| NBI structure number | 000000000004045 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Ionia County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-96 over Portland Trail | 2013 | 35,000 | Good |
| I-96 over Libhart Creek | 1958 | 33,978 | Fair |
| I-96 EB over Kent Rd | 1959 | 20,074 | Fair |
| I-96 WB over Kent Rd | 1959 | 20,074 | Fair |
| I-96 EB over Okemos Rd | 1959 | 20,074 | Fair |
| I-96 WB over Okemos Rd | 1959 | 20,074 | Fair |
All bridges nearby: Ionia County, MI bridge conditions · every bridge in Ionia County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.