Tr 107 over Cedar Creek
Johnson County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 107 over Cedar Creek 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 7 (good condition) on the 0-9 scale.
- It was built in 1988, making it 37 years old at the 2025 inventory.
- It carries about 75 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.
- 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 February 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 → (37.46973, -88.75465)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 122 ft |
| Location | SW1/4 SEC15 T12S R4E |
| NBI structure number | 044310200000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2023 |
| Inspection interval (item 91) | 48 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 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.