I-72 (EB) over Spring Creek
Macon County, Illinois · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-72 (EB) over Spring Creek in Macon County, Illinois, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 6,150 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 207 of the 346 inventoried bridges in Macon County rated fair (59.8%); 54 (15.6%) 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 March 2024, on a 24-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 → (39.90912, -88.9263)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 107 ft |
| Location | 1.25 Mi E Forsyth |
| NBI structure number | 058008200000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 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 Macon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 322(US 51) over I-72 | 2011 | 24,400 | Fair |
| US 51 NB (fap 710) over Lake Decatur | 1962 | 22,400 | Fair |
| US 51 SB (fap 710) over Lake Decatur | 1971 | 22,400 | Fair |
| US 36(FAP 320) over Lake Shore Dr(u 7390 | 1954 | 20,900 | Poor |
| US 36(FAP 320) over Lake Decatur | 1955 | 20,900 | Fair |
| Fap 320(IL 121) over NS RR | 1991 | 18,900 | Fair |
All bridges nearby: Macon County, IL bridge conditions · every bridge in Macon County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.