Adams St over Il 336
McDonough County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Adams St over Il 336 in McDonough 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 2012, making it 13 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 112 of the 210 inventoried bridges in McDonough County rated good (53.3%); 13 (6.2%) 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 September 2024, on a 24-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 → (40.46333, -90.74154)
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 | Continuous steel stringer or multi-beam girder |
| Length | about 202 ft |
| Location | 1 Mi N. US 136 |
| NBI structure number | 055006700000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in McDonough County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 67 over Town Creek Fork | 1988 | 6,350 | Fair |
| NB US 67 over Farmers Fork | 2012 | 6,350 | Fair |
| SB US 67 over Farmers Fork | 2012 | 6,350 | Fair |
| SB US 67 over E Fork Lamoine River | 1988 | 6,050 | Fair |
| NB US 67 over E Fork Lamoine River | 1988 | 6,050 | Fair |
| SB US 67 over E Fork Crooked Creek | 1996 | 4,850 | Fair |
All bridges nearby: McDonough County, IL bridge conditions · every bridge in McDonough County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.