US 67 over Donahue Creek
Mercer County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 67 over Donahue Creek in Mercer County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1997, making it 28 years old at the 2025 inventory.
- It carries about 5,300 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 62 of the 163 inventoried bridges in Mercer County rated fair (38.0%); 23 (14.1%) 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 October 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (41.22603, -90.58632)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 83 ft |
| Location | 1.6 Mi N of Il 17 |
| NBI structure number | 066001500000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Mercer County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 67 over Edwards River | 1998 | 5,300 | Fair |
| Ill 94 over Edwards River | 1960 | 3,450 | Fair |
| Ill 94 over Camp Creek | 1960 | 2,900 | Fair |
| US 67 over Pope Creek | 2024 | 2,600 | Good |
| US 67 over Henderson CR | 1931 | 2,400 | Poor |
| US 67 over Toms Creek | 1999 | 2,400 | Fair |
All bridges nearby: Mercer County, IL bridge conditions · every bridge in Mercer County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.