S-18-86/MTZION RD over I-95
FairDorchester County, South Carolina · 3 MI NW ST George · Structure no. 000000000006484
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 264 ft
- 4 main spans
- Daily traffic
- 375
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-18-86/MTZION RD over I-95 is a steel stringer/multi-beam or girder carrying S-18-86/MTZION RD over I-95 in Dorchester County, South Carolina. It was built in 1974, so it is 51 years old, older 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 375 vehicles a day, roughly 8% of them trucks, projected to reach 521 by 2043. The structure is 264 ft (80.5 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-18-86/MTZION RD over I-95 built?
It was built in 1974, making it 51 years old in 2025.
What condition is S-18-86/MTZION RD over I-95 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 2023.
How much traffic does S-18-86/MTZION RD over I-95 carry?
About 375 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is S-18-86/MTZION RD over I-95?
The structure is 264 ft (80.5 m) long with a longest span of 98 ft (29.9 m) and a deck 38 ft wide.
Who owns S-18-86/MTZION RD over I-95?
It is owned by the State Highway Agency.