S-8-946/TRINITY PI
Carrying S-8-946/TRINITY PI over UNNAMED CANAL
4 MI W GOOSE CREEK, Berkeley, South Carolina
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: S-8-946/TRINITY PI
The S-8-946/TRINITY PI bridge in Berkeley, South Carolina carries S-8-946/TRINITY PI over UNNAMED CANAL. It was built in 1975, making it 51 years old today. The structure is built primarily of prestressed concrete and spans 2 sections, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 2,200 vehicles, placing it in the moderately-trafficked tier of South Carolina bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 18.1 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How S-8-946/TRINITY PI compares
Live comparison across South Carolina.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1975
- Material
- Prestressed Concrete
- Number of Spans
- 2
- Structure Length
- 18.3 m (60 ft)
- Deck Width
- 8.4 m (28 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 2,200 vehicles/day
- Structure Number
- 000000000006624
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether S-8-946/TRINITY PI is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare S-8-946/TRINITY PI against other structures in Berkeley and across South Carolina. South Carolina bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for S-8-946/TRINITY PI?
S-8-946/TRINITY PI in Berkeley, South Carolina has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is S-8-946/TRINITY PI inspected?
S-8-946/TRINITY PI's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 2,200 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. S-8-946/TRINITY PI is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for S-8-946/TRINITY PI?
S-8-946/TRINITY PI has an NBI inventory load rating of 18.1 metric tons.
Who is responsible for maintaining S-8-946/TRINITY PI?
S-8-946/TRINITY PI is owned and maintained by State Highway Agency.
How old is S-8-946/TRINITY PI and does age affect safety?
S-8-946/TRINITY PI was built in 1975, making it 51 years old.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.