Tr 140 over Dog Creek
Pope County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 140 over Dog Creek in Pope County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1997, making it 28 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2023).
- Its listed owner is a town or township highway agency.
- It is one of 58 of the 87 inventoried bridges in Pope County rated good (66.7%); 4 (4.6%) 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 → (37.19247, -88.51761)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 52 ft |
| Location | 4.1 Mi SW Bay City |
| NBI structure number | 076307900000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Pope County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ill 34 over Gibbons Creek | 1924 | 2,350 | Fair |
| Ill 34 over Trib to Gibbon Creek | 1991 | 2,350 | Good |
| Ill 34-fap 778 over Unnamed Stream | 2011 | 2,350 | Good |
| Ill 146 over Lusk Creek | 1964 | 2,150 | Fair |
| Ill 145 over Bay Creek Ditch | 1982 | 1,750 | Fair |
| Il 145 over Bay Creek | 2024 | 1,750 | Good |
All bridges nearby: Pope County, IL bridge conditions · every bridge in Pope County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.