TR-82 (Daggert Roa over East Johnson Creek
Carroll County, Illinois · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- TR-82 (Daggert Roa over East Johnson Creek in Carroll County, Illinois, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 1 (imminent failure condition) on the 0-9 scale.
- It was built in 1916, making it 109 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2021).
- Its listed owner is a town or township highway agency.
- It is one of 26 of the 180 inventoried bridges in Carroll County rated poor (14.4%); 26 (14.4%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (42.03607, -89.95798)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 1 | Imminent failure condition |
| Substructure | 3 | Serious condition |
Bridge details
| Structure | Timber through truss |
| Length | about 60 ft |
| Location | 3 Mi S Mt. Carroll |
| NBI structure number | 008370500000000 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Carroll County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Il 84 over BNSF RR | 1988 | 5,550 | Fair |
| Il 84 over Soo Line Rr/city St | 1988 | 5,550 | Fair |
| Ill 84 over Plum River | 1978 | 4,200 | Fair |
| US 52 & Il 64 over Straddle Creek | 1996 | 3,500 | Good |
| US 52 & Il 64 over Plum River | 1999 | 3,450 | Fair |
| Ill 73 over Straddle Creek | 1989 | 3,350 | Fair |
All bridges nearby: Carroll County, IL bridge conditions · every bridge in Carroll County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.