Tr 77 over Little Cache CR Trib
Johnson County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 77 over Little Cache CR Trib in Johnson 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 1984, making it 41 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2021).
- Its listed owner is a town or township highway agency.
- It is one of 65 of the 118 inventoried bridges in Johnson County rated good (55.1%); 3 (2.5%) are rated poor.
- 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 → (37.52282, -88.85987)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 23 ft |
| Location | NE1/4 SEC34 T11S R3E |
| NBI structure number | 044308500000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Johnson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 24 over Dry Fork Creek | 1976 | 20,700 | Fair |
| I 24 over Mccorkle Creek | 1971 | 20,500 | Good |
| I 24 EB over Tr 42 & L Saline R | 1972 | 10,350 | Fair |
| I 24 WB over Tr 42 & L Saline R | 1972 | 10,350 | Fair |
| I 24 EB over Tr 77 Bowman Bottoms | 1971 | 10,300 | Fair |
| I 24 WB over Tr 77 Bowman Bottoms | 1971 | 10,300 | Fair |
All bridges nearby: Johnson County, IL bridge conditions · every bridge in Johnson County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.