I-70 (EB) over Mill Creek
Clark County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-70 (EB) over Mill Creek in Clark 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 1968 and reconstructed in 2023, making it 57 years old at the 2025 inventory.
- It carries about 11,700 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 143 of the 231 inventoried bridges in Clark County rated good (61.9%); 9 (3.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 8 to 7.
- Its most recent inspection on record is dated October 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 → (39.39457, -87.78907)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 240 ft |
| Location | W Marshall |
| NBI structure number | 012005200000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Clark County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-70 over E Mill Creek Trib | 1969 | 23,400 | Fair |
| I-70 over E Mill Creek | 1969 | 23,400 | Fair |
| I-70 over E Mill Creek | 1969 | 23,400 | Fair |
| I-70 over Kettering Branch | 1968 | 23,400 | Fair |
| Fai 70 over Ditch | 1971 | 23,400 | Fair |
| I-70 over Stream | 1968 | 22,800 | Good |
All bridges nearby: Clark County, IL bridge conditions · every bridge in Clark County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.