FHWA NBI 2024 Inspection record Public-domain dataset

L-3517/S PARK CIR

Carrying L-3517/S PARK CIR over TIDAL CREEK

IN CHARLESTON, Charleston, South Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: L-3517/S PARK CIR

The L-3517/S PARK CIR bridge in Charleston, South Carolina carries L-3517/S PARK CIR over TIDAL CREEK. It was built in 1986, making it 40 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 13.7 meters (45 feet) end to end. Daily traffic averages 225 vehicles, placing it in the lower-traffic tier of South Carolina bridges. It is owned and maintained by City/Municipal 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 17.5 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How L-3517/S PARK CIR compares

▼ 12.3
Load rating vs South Carolina average (29.8 t)
Bottom 16%
Lower load rating than 84% of South Carolina bridges
196
Bridges in Charleston · 6 in Poor condition
L-3517/S PARK CIR 17.5 t
South Carolina average 29.8 t

Live comparison across South Carolina.

Historical Sufficiency Rating

PlainBridge-computed
69.1 / 100 - historical 50–79.9 band
Structural adequacy /55
36.3
Serviceability /30
28.0
Essentiality /15
12.8
Special reductions
−8.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
17.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1986
Material
Concrete
Number of Spans
3
Structure Length
13.7 m (45 ft)
Deck Width
10.1 m (33 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
225 vehicles/day
Structure Number
000000000010475

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether L-3517/S PARK CIR 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 L-3517/S PARK CIR against other structures in Charleston 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 L-3517/S PARK CIR?

L-3517/S PARK CIR in Charleston, 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 L-3517/S PARK CIR inspected?

L-3517/S PARK CIR'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 225 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. L-3517/S PARK CIR 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 L-3517/S PARK CIR?

L-3517/S PARK CIR has an NBI inventory load rating of 17.5 metric tons.

Who is responsible for maintaining L-3517/S PARK CIR?

L-3517/S PARK CIR is owned and maintained by City/Municipal Highway Agency.

How old is L-3517/S PARK CIR and does age affect safety?

L-3517/S PARK CIR was built in 1986, making it 40 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.