Tr 30 over Little Grove Ck
Menard County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 30 over Little Grove Ck in Menard County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 25 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.
- 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 → (40.02799, -89.9314)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 58 ft |
| Location | 3.8 M W Petersburg |
| NBI structure number | 065310900000000 |
| Condition class | Fair |
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.