I-77 Ramp F over I77 Ramp G Piedmont Smit
Kanawha County, West Virginia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-77 Ramp F over I77 Ramp G Piedmont Smit in Kanawha County, West Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, 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 6,733 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 381 of the 555 inventoried bridges in Kanawha County rated fair (68.6%); 69 (12.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 5 to 6.
- Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (38.35218, -81.62573)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel multiple box beam |
| Length | about 1,517 ft |
| Location | 1.04 Mi N of Wv 114 |
| NBI structure number | 00000000020A412 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the West Virginia department of transportation.
Busiest bridges in Kanawha County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-77 over Stadium Place | 1975 | 133,500 | Fair |
| I-64 over CR 25/25 10TH St.dunbar | 1966 | 126,400 | Fair |
| I-64 over Central Avenue | 1973 | 122,200 | Fair |
| I- 64 EB & WB over Westmoreland Drive | 1970 | 117,900 | Fair |
| I-64 Wbl & Ebl over CR 61/12 | 1974 | 111,400 | Fair |
| I-64 Ebl & Wbl. over CR25/18 | 1966 | 110,100 | Fair |
All bridges nearby: Kanawha County, WV bridge conditions · every bridge in Kanawha County · West Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.