Fas 579/CH 7 over US 67/IL 104
Morgan County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Fas 579/CH 7 over US 67/IL 104 in Morgan 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 2012, making it 13 years old at the 2025 inventory.
- It carries about 2,450 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 113 of the 234 inventoried bridges in Morgan County rated good (48.3%); 17 (7.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated August 2023, on a 48-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 → (39.76776, -90.37174)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 202 ft |
| Location | 1.2 mi E of Chapin |
| NBI structure number | 069051300000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 48 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 Morgan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Bl72/il104/morton over Town Brook | 1952 | 16,300 | Fair |
| Fai 72 over N Fk Mauvaise Terre | 1976 | 14,500 | Fair |
| Fai 72 over Mauvaise Terre CR Br | 1974 | 14,500 | Good |
| Bus I72/IL104/MORT over Mauvaise Terre Creek | 1957 | 10,400 | Fair |
| Il 267/US 67/BL 67 over I-72/US 36 | 1975 | 9,100 | Fair |
| Il 267 over Trib Mauvaise Terre | 1989 | 9,100 | Good |
All bridges nearby: Morgan County, IL bridge conditions · every bridge in Morgan County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.