Tr 36A over Coffee Creek
Putnam County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 36A over Coffee Creek in Putnam 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 2011, making it 14 years old at the 2025 inventory.
- It carries about 1,500 vehicles a day (traffic count year 2023).
- Its listed owner is a town or township highway agency.
- It is one of 33 of the 50 inventoried bridges in Putnam County rated fair (66.0%); 3 (6.0%) 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 April 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 → (41.25856, -89.31129)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 101 ft |
| Location | Ne1/4-11-t32nr2w |
| NBI structure number | 078311500000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Putnam County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Il 89 over Unnamed Stream | 2001 | 5,450 | Fair |
| Ill 71 over Drainage Ditch | 2015 | 4,700 | Good |
| Il 71 over Intermittent Stream | 2007 | 4,100 | Good |
| Ill 89 over Allforks Creek North | 2012 | 4,100 | Good |
| Ill 89 over Allforks Creek South | 2012 | 4,100 | Good |
| Ill 71 over Coffee Creek | 1977 | 3,600 | Fair |
All bridges nearby: Putnam County, IL bridge conditions · every bridge in Putnam County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.