FHWA NBI 2024 Inspection record Public-domain dataset

NC28

Carrying NC28 over LITTLE TENNESSEE RIVER

1 MI.N.JCT.SR1246, Graham, North Carolina

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
44 t Inventory load rating

Bridge Snapshot: NC28

The NC28 bridge in Graham, North Carolina carries NC28 over LITTLE TENNESSEE RIVER. It was built in 1943, making it 83 years old today. It was last reconstructed in 2014, extending its service life. The structure is built primarily of steel continuous and spans 5 sections, stretching 162.4 meters (533 feet) end to end. Daily traffic averages 800 vehicles, placing it in the lower-traffic tier of North Carolina bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 43.5 metric tons.

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

How NC28 compares

▼ 0.7
Load rating vs North Carolina average (44.2 t)
Top 42%
Higher load rating than 58% of North Carolina bridges
94
Bridges in Graham · 4 in Poor condition
NC28 43.5 t
North Carolina average 44.2 t

Live comparison across North Carolina.

Historical Sufficiency Rating

PlainBridge-computed
48.5 / 100 - historical 20–49.9 band
Structural adequacy /55
30.0
Serviceability /30
9.0
Essentiality /15
12.5
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
43.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1943
Last Reconstructed
2014
Material
Steel Continuous
Number of Spans
5
Structure Length
162.4 m (533 ft)
Deck Width
8.1 m (27 ft)
Owner
State Highway Agency
Avg Daily Traffic
800 vehicles/day
Structure Number
000000000750009

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

NC28 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare NC28 against other structures in Graham 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 NC28?

NC28 in Graham, North Carolina has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is NC28 inspected?

NC28'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 800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NC28 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for NC28?

NC28 has an NBI inventory load rating of 43.5 metric tons.

Who is responsible for maintaining NC28?

NC28 is owned and maintained by State Highway Agency.

How old is NC28 and does age affect safety?

NC28 was built in 1943, making it 83 years old and last reconstructed in 2014.

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.