S-21-12 over S-1545
FairFlorence County, South Carolina · Church ST Florence · Structure no. 000000000007357
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete
- Length
- 120 ft
- 4 main spans
- Daily traffic
- 23,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-21-12 over S-1545 is a concrete slab carrying S-21-12 over S-1545 in Florence County, South Carolina. It was built in 1980, so it is 45 years old, younger than the South Carolina average of 48 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 23,600 vehicles a day, roughly 4% of them trucks, projected to reach 15,812 by 2043. The structure is 120 ft (36.6 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-21-12 over S-1545 built?
It was built in 1980, making it 45 years old in 2025.
What condition is S-21-12 over S-1545 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 April 2024.
How much traffic does S-21-12 over S-1545 carry?
About 23,600 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is S-21-12 over S-1545?
The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 76 ft wide.
Who owns S-21-12 over S-1545?
It is owned by the State Highway Agency.