Il 121(FAP 320) over Asa Creek
Moultrie County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Il 121(FAP 320) over Asa Creek in Moultrie County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1986, making it 39 years old at the 2025 inventory.
- It carries about 6,500 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 88 of the 172 inventoried bridges in Moultrie County rated fair (51.2%); 16 (9.3%) 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 June 2023, on a 48-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (39.60084, -88.60055)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 44 ft |
| Location | E. Edge Sullivan |
| NBI structure number | 070004200000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| 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 Moultrie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 320(IL 121) over Stream | 1995 | 5,750 | Good |
| Il 121 (fap 320) over Jonathan Creek | 1967 | 5,700 | Good |
| Il 121 (fap 320) over West Okaw River | 1966 | 4,700 | Poor |
| Fap 320 (il 121) over Dunn Branch | 1969 | 4,600 | Good |
| Ill 121(FAP 320) over Stream | 1971 | 4,450 | Fair |
| Il 121 (fap 320) over Marrowbone Creek | 2012 | 4,350 | Fair |
All bridges nearby: Moultrie County, IL bridge conditions · every bridge in Moultrie County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.