Armour Rd (FAU 617 over IL Central RR
Kankakee County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Armour Rd (FAU 617 over IL Central RR in Kankakee County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2024, making it 1 years old at the 2025 inventory.
- It carries about 14,600 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 125 of the 344 inventoried bridges in Kankakee County rated good (36.3%); 34 (9.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 9 to 8, superstructure 9 to 8, substructure 9 to 8.
- Its most recent inspection on record is dated August 2024, on a 24-month routine inspection cycle.
- 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 → (41.16262, -87.85765)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 8 | Very good condition |
| Superstructure | 9 | 8 | Very good condition |
| Substructure | 9 | 8 | Very good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 200 ft |
| Location | 0.3 M W of IL 50 |
| NBI structure number | 046015500000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Kankakee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Il 17/FAP 41 over Kkk River & Pk Rd | 1957 | 23,600 | Fair |
| US45/52 (FAP330) over Soldiers Creek | 2001 | 19,100 | Fair |
| Il 50 Fap 840 over Soldier Creek | 2003 | 16,200 | Fair |
| Il 17 Fap 330 over Icg RR | 2004 | 15,900 | Fair |
| Fai-57 SB over Ill 17 | 1955 | 14,450 | Poor |
| Fai-57 SB over Soldier CR | 1955 | 14,450 | Fair |
All bridges nearby: Kankakee County, IL bridge conditions · every bridge in Kankakee County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.