I-77 SB over CR 21/17
FairKanawha County, West Virginia · 2.58 Mil North of Wv 622 · Structure no. 00000000020A818
- Built
- 2007
- 18 years old
- Condition
- Fair
- inspected December 2022
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 140 ft
- 1 main span
- Daily traffic
- 9,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I-77 SB over CR 21/17 is a steel stringer/multi-beam or girder carrying I-77 SB over CR 21/17 in Kanawha County, West Virginia. It was built in 2007, so it is 18 years old, younger than the West Virginia average of 44.7 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 9,000 vehicles a day, roughly 17% of them trucks, projected to reach 14,040 by 2040. The structure is 140 ft (42.8 m) long and 45 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-77 SB over CR 21/17 built?
It was built in 2007, making it 18 years old in 2025.
What condition is I-77 SB over CR 21/17 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2022.
How much traffic does I-77 SB over CR 21/17 carry?
About 9,000 vehicles per day (2020 count), of which roughly 17% are trucks.
How long is I-77 SB over CR 21/17?
The structure is 140 ft (42.8 m) long with a longest span of 137 ft (41.7 m) and a deck 45 ft wide.
Who owns I-77 SB over CR 21/17?
It is owned by the State Highway Agency.