Co Hwy 6 Fas 346 over Vermilion River
Livingston County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Co Hwy 6 Fas 346 over Vermilion River in Livingston 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 1936 and reconstructed in 1993, making it 89 years old at the 2025 inventory.
- It carries about 900 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 235 of the 579 inventoried bridges in Livingston County rated fair (40.6%); 46 (7.9%) 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 → (40.83047, -88.51779)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 272 ft |
| Location | 5 Mi N of Fairbury |
| NBI structure number | 053300800000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Livingston County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fai 55 over Wolf Creek | 1976 | 22,300 | Good |
| Fai-55 & E975 N Rd over Drainage Ditch | 1977 | 21,000 | Fair |
| I-55 over Stream | 1977 | 21,000 | Good |
| Ill 116 over Turtle Creek | 1941 | 12,300 | Good |
| I-55 SB over Norfolk & So. RR | 2011 | 11,450 | Fair |
| I-55 NB over Norfolk & So RR | 2011 | 11,450 | Fair |
All bridges nearby: Livingston County, IL bridge conditions · every bridge in Livingston County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.