Tr 21 over Clary Creek
Menard County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 21 over Clary Creek in Menard County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1957 and reconstructed in 1997, making it 68 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2020).
- Its listed owner is a town or township highway agency.
- It is one of 43 of the 89 inventoried bridges in Menard County rated fair (48.3%); 10 (11.2%) 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 September 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 → (40.07561, -89.99014)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 110 ft |
| Location | 1.5MI SW Oakford |
| NBI structure number | 065302700000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 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 Menard County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Il 97/IL 123 over Hemp Factory Branch | 1994 | 4,850 | Good |
| Ill 123 over Sangamon River | 1985 | 4,800 | Fair |
| Ill 29 over Indian Creek | 1957 | 4,200 | Fair |
| Ill 97 & 123 over Rocky Branch Creek | 1990 | 4,200 | Good |
| Ill 97 over Rock Creek | 1989 | 3,900 | Good |
| Ill 97 over C&im RR | 1939 | 2,750 | Fair |
All bridges nearby: Menard County, IL bridge conditions · every bridge in Menard County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.