Il 142 over Stream
Jefferson County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Il 142 over Stream in Jefferson County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2015, making it 10 years old at the 2025 inventory.
- It carries about 6,850 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 114 of the 259 inventoried bridges in Jefferson County rated good (44.0%); 21 (8.1%) 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 January 2022, 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 → (38.29543, -88.88343)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 39 ft |
| Location | 0.2MI SE Mt Vernon |
| NBI structure number | 041202100000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2022 |
| Inspection interval (item 91) | 48 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 Jefferson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 64 over Oak Ridge School Ck | 1974 | 28,600 | Fair |
| I 64 over Harper Creek | 1974 | 28,300 | Fair |
| I 64 over Pierce Creek | 1974 | 28,300 | Fair |
| I 57 NB over Fap-726 & Un Pacf RR | 1968 | 21,400 | Good |
| I 57 SB over Fap-726 & Un Pacf RR | 1968 | 21,400 | Fair |
| I 57 NB over Ew RR | 1967 | 21,400 | Fair |
All bridges nearby: Jefferson County, IL bridge conditions · every bridge in Jefferson County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.