Ch 7 over Blackman Creek
Saline County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ch 7 over Blackman Creek in Saline County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1930, making it 95 years old at the 2025 inventory.
- It carries about 175 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 46 of the 185 inventoried bridges in Saline County rated fair (24.9%); 8 (4.3%) 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 May 2024, on a 24-month routine inspection cycle.
- 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 → (37.63168, -88.51841)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete |
| Length | about 43 ft |
| Location | 1 Mi SE Mitchelville |
| NBI structure number | 083315300000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Saline County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 332-us 45 over Drainage Ditch | 2007 | 10,900 | Good |
| US 45 over Mid Fork Saline Riv. | 1982 | 10,200 | Good |
| US 45-fap 332 over Middle Fork Saline R | 2004 | 10,200 | Good |
| Fap 332-us 45 (SB) over Stream | 2002 | 9,550 | Good |
| Fap 332-us 45 (NB) over Stream | 2002 | 9,550 | Good |
| Fap 332-us 45 (NB) over Stream | 2002 | 9,550 | Good |
All bridges nearby: Saline County, IL bridge conditions · every bridge in Saline County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.