US 34 over Lone Tree Creek
Henderson County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 34 over Lone Tree Creek in Henderson 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 6,050 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 78 of the 142 inventoried bridges in Henderson County rated fair (54.9%); 18 (12.7%) 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 → (40.84593, -90.98544)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 67 ft |
| Location | 6.5 Mi W Biggsville |
| NBI structure number | 036005300000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Henderson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 34 over Miss Riv & Cri&p RR | 1994 | 10,800 | Fair |
| US 34 over Chinn St Gulfport | 1970 | 10,200 | Fair |
| US 34 over BNSF RR (079194E) | 1970 | 10,200 | Fair |
| US 34EB over Crystal Lk Dr Ditch | 1998 | 10,200 | Fair |
| US 34WB over Crystal Lk Dr Ditch | 1998 | 10,200 | Poor |
| US 34 over P.d. Creek | 2008 | 6,050 | Fair |
All bridges nearby: Henderson County, IL bridge conditions · every bridge in Henderson County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.