FHWA NBI 2024 Inspection record Public-domain dataset

SC 61/ASHLEYRIVRRD

Carrying SC 61/ASHLEYRIVRRD over TRIB OF ASHLEY RIVER

6 MI SW OF LADSON, Dorchester, South Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
28 t Inventory load rating

Bridge Snapshot: SC 61/ASHLEYRIVRRD

The SC 61/ASHLEYRIVRRD bridge in Dorchester, South Carolina carries SC 61/ASHLEYRIVRRD over TRIB OF ASHLEY RIVER. It was built in 1925, making it 101 years old today. It was last reconstructed in 1959, extending its service life. The structure is built primarily of concrete and spans 2 sections, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 11,600 vehicles, placing it in the heavily-trafficked tier of South Carolina bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 27.9 metric tons.

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

How SC 61/ASHLEYRIVRRD compares

▼ 1.9
Load rating vs South Carolina average (29.8 t)
Bottom 49%
Lower load rating than 51% of South Carolina bridges
112
Bridges in Dorchester · 2 in Poor condition
SC 61/ASHLEYRIVRRD 27.9 t
South Carolina average 29.8 t

Live comparison across South Carolina.

Historical Sufficiency Rating

PlainBridge-computed
91.4 / 100 - historical 80–100 band
Structural adequacy /55
51.9
Serviceability /30
28.0
Essentiality /15
11.5
Special reductions
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
27.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1925
Last Reconstructed
1959
Material
Concrete
Number of Spans
2
Structure Length
6.4 m (21 ft)
Deck Width
14.9 m (49 ft)
Owner
State Highway Agency
Avg Daily Traffic
11,600 vehicles/day
Structure Number
000000000010706

How to read this record

This page shows what the last federal inspection recorded, not whether SC 61/ASHLEYRIVRRD 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 SC 61/ASHLEYRIVRRD against other structures in Dorchester 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 SC 61/ASHLEYRIVRRD?

SC 61/ASHLEYRIVRRD in Dorchester, South Carolina on the FHWA's 0–9 scale.

How often is SC 61/ASHLEYRIVRRD inspected?

SC 61/ASHLEYRIVRRD'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 11,600 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SC 61/ASHLEYRIVRRD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SC 61/ASHLEYRIVRRD?

SC 61/ASHLEYRIVRRD has an NBI inventory load rating of 27.9 metric tons.

Who is responsible for maintaining SC 61/ASHLEYRIVRRD?

SC 61/ASHLEYRIVRRD is owned and maintained by State Highway Agency.

How old is SC 61/ASHLEYRIVRRD and does age affect safety?

SC 61/ASHLEYRIVRRD was built in 1925, making it 101 years old and last reconstructed in 1959.

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.