FHWA NBI 2024 Inspection record Public-domain dataset

US 17

Carrying US 17 over TRIB HORSESHOE CRK

4.5 MI S OF JACKSONBORO, Colleton, South Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
81 t Inventory load rating

Bridge Snapshot: US 17

The US 17 bridge in Colleton, South Carolina carries US 17 over TRIB HORSESHOE CRK. It was built in 2013, making it 13 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 6.6 meters (22 feet) end to end. Daily traffic averages 13,200 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 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 80.7 metric tons.

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

How US 17 compares

▲ 50.9
Load rating vs South Carolina average (29.8 t)
Top 1%
Higher load rating than 99% of South Carolina bridges
139
Bridges in Colleton · 4 in Poor condition
US 17 80.7 t
South Carolina average 29.8 t

Live comparison across South Carolina.

Historical Sufficiency Rating

PlainBridge-computed
85.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
8/9
Good (7–9)
Inventory Load Rating
80.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2013
Material
Concrete
Number of Spans
2
Structure Length
6.6 m (22 ft)
Deck Width
38.1 m (125 ft)
Owner
State Highway Agency
Avg Daily Traffic
13,200 vehicles/day
Structure Number
000000000000600

How to read this record

This page shows what the last federal inspection recorded, not whether US 17 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 US 17 against other structures in Colleton 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 US 17?

US 17 in Colleton, South Carolina on the FHWA's 0–9 scale.

How often is US 17 inspected?

US 17'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 13,200 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 17 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 US 17?

US 17 has an NBI inventory load rating of 80.7 metric tons.

Who is responsible for maintaining US 17?

US 17 is owned and maintained by State Highway Agency.

How old is US 17 and does age affect safety?

US 17 was built in 2013, making it 13 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.