FHWA NBI 2024 Inspection record Public-domain dataset

US129

Carrying US129 over SANTEETLAH LAKE

25 FT.N.JCT.SR1144, Graham, North Carolina

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
45 t Inventory load rating Higher than 59% of rated North Carolina bridges

US129 in Graham, North Carolina is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1968, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure NC:000000000750010

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 4 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: US129

The US129 bridge in Graham, North Carolina carries US129 over SANTEETLAH LAKE. It was built in 1968, making it 58 years old today. It was last reconstructed in 2010, extending its service life. The structure is built primarily of steel and spans 4 sections, stretching 146.0 meters (479 feet) end to end. Daily traffic averages 2,700 vehicles, placing it in the moderately-trafficked 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 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How US129 compares

▲ 0.7
Load rating vs North Carolina average (44.6 t; 19,160 of 19,210 rated)
94
Bridges in Graham · 4 in Poor condition

Age against the county: built in 1968, earlier than 56 of Graham's 94 bridges with a recorded construction year (60%), against a county median build year of 1976. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

US129 45.3 t
North Carolina average (19,160 of 19,210 rated) 44.6 t

Live comparison across North Carolina bridges with a recorded inventory load rating (19,160 of 19,210 rated).

US129 vs every rated North Carolina bridge

Inventory load rating (metric tons), FHWA NBI, this state

45 Top 41% higher than 59% of 19,160 bridges

rated North Carolina bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

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

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Graham inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 94 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1968
Last Reconstructed
2010
Material
Steel
Number of Spans
4
Structure Length
146.0 m (479 ft)
Deck Width
11.1 m (36 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,700 vehicles/day
Structure Number
000000000750010

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, 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 US129 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 US129 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 US129?

US129 in Graham, North Carolina has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is US129 inspected?

US129'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 2,700 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US129 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 US129?

US129 has an NBI inventory load rating of 45.3 metric tons.

Who is responsible for maintaining US129?

US129 is owned and maintained by State Highway Agency.

How old is US129 and does age affect safety?

US129 was built in 1968, making it 58 years old and last reconstructed in 2010.

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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.