FHWA NBI 2024 Inspection record Public-domain dataset

NC54

Carrying NC54 over THIRD FORK CREEK

0.4 MI E JCT NC751, Durham, North Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
33 t Inventory load rating

Bridge Snapshot: NC54

The NC54 bridge in Durham, North Carolina carries NC54 over THIRD FORK CREEK. It was built in 1928, making it 98 years old today. The structure is built primarily of concrete continuous and spans 5 sections, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 15,500 vehicles, placing it in the heavily-trafficked tier of North Carolina bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.6 metric tons.

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

How NC54 compares

▼ 11.6
Load rating vs North Carolina average (44.2 t)
Bottom 25%
Lower load rating than 75% of North Carolina bridges
315
Bridges in Durham · 9 in Poor condition
NC54 32.6 t
North Carolina average 44.2 t

Live comparison across North Carolina.

Historical Sufficiency Rating

PlainBridge-computed
86.5 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
29.0
Essentiality /15
12.5
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
32.6 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1928
Material
Concrete Continuous
Number of Spans
5
Structure Length
15.2 m (50 ft)
Owner
State Highway Agency
Avg Daily Traffic
15,500 vehicles/day
Structure Number
000000000630046

How to read this record

This page shows what the last federal inspection recorded, not whether NC54 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 NC54 against other structures in Durham and across North Carolina. North 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 NC54?

NC54 in Durham, North Carolina on the FHWA's 0–9 scale.

How often is NC54 inspected?

NC54'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 15,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NC54 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 NC54?

NC54 has an NBI inventory load rating of 32.6 metric tons.

Who is responsible for maintaining NC54?

NC54 is owned and maintained by State Highway Agency.

How old is NC54 and does age affect safety?

NC54 was built in 1928, making it 98 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.