SR 77 over I-20
FairGreene County, Georgia · In North Siloam · Structure no. 000000013300190
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 289 ft
- 4 main spans
- Daily traffic
- 1,470
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR 77 over I-20 is a steel continuous stringer/multi-beam or girder carrying SR 77 over I-20 in Greene County, Georgia. It was built in 1971, so it is 54 years old, older than the Georgia average of 47.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 1,470 vehicles a day, roughly 11% of them trucks, projected to reach 1,920 by 2031. The structure is 289 ft (88.1 m) long and 47 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 77 over I-20 built?
It was built in 1971, making it 54 years old in 2025.
What condition is SR 77 over I-20 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 May 2024.
How much traffic does SR 77 over I-20 carry?
About 1,470 vehicles per day (2024 count), of which roughly 11% are trucks.
How long is SR 77 over I-20?
The structure is 289 ft (88.1 m) long with a longest span of 89 ft (27.1 m) and a deck 47 ft wide.
Who owns SR 77 over I-20?
It is owned by the State Highway Agency.