US 45 over Southern Outlet
White County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 45 over Southern Outlet in White 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 2012, making it 13 years old at the 2025 inventory.
- It carries about 1,600 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 59 of the 213 inventoried bridges in White County rated good (27.7%); 14 (6.6%) 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 → (38.20498, -88.35112)
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 | Continuous steel stringer or multi-beam girder |
| Length | about 126 ft |
| Location | 2.5 M S. Mill Shoals |
| NBI structure number | 097007600000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in White County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 64 over Trib Little Wabash R | 1975 | 10,800 | Good |
| I 64 over Drainage Ditch | 1975 | 10,800 | Fair |
| Fap-332 (ill 1) over Stream | 1985 | 9,150 | Fair |
| I 64 EB over Ill-1 & RR Abandoned | 1969 | 7,450 | Fair |
| I 64 WB over Ill-i & RR Abandoned | 1969 | 7,450 | Fair |
| I 64 EB over Tr-422 & Wabash Rv | 1967 | 7,450 | Poor |
All bridges nearby: White County, IL bridge conditions · every bridge in White County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.