FHWA NBI 2024 Inspection record Public-domain dataset

NH152

Carrying NH152 over NORTH RIVER

5.15MI. NW LEE TL, Rockingham, New Hampshire

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
30 t Inventory load rating Lower than 70% of rated New Hampshire bridges

NH152 in Rockingham, New Hampshire sits above 30% of rated New Hampshire bridges on inventory load rating (30 t), while its 1925 build year is earlier than 95% of Rockingham's recorded-year cohort (308 bridges).

NH152 in Rockingham, New Hampshire is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1925, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 3. The lowest applicable rating sets the federal condition category, so this Poor 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 NH:020101410012700

PRE-1950 · STEEL · SINGLE-SPAN · SUB-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • SINGLE-SPAN Single span
  • SUB-LED Substructure-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

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: NH152

The NH152 bridge in Rockingham, New Hampshire carries NH152 over NORTH RIVER. It was built in 1925, making it 101 years old today. It was last reconstructed in 1970, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 3,415 vehicles, placing it in the moderately-trafficked tier of New Hampshire bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 3/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

How NH152 compares

▼ 8.2
Load rating vs New Hampshire average (38.4 t; 2,540 of 2,542 rated)
308
Bridges in Rockingham · 20 in Poor condition

Age against the county: built in 1925, earlier than 294 of Rockingham's 308 bridges with a recorded construction year (95%), against a county median build year of 1981. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

NH152 30.2 t
New Hampshire average (2,540 of 2,542 rated) 38.4 t

Live comparison across New Hampshire bridges with a recorded inventory load rating (2,540 of 2,542 rated).

NH152 vs every rated New Hampshire bridge

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

30 Top 70% higher than 30% of 2,540 bridges

rated New Hampshire 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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
3/9
Poor (1–4)
Inventory Load Rating
30.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Rockingham inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 308 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
1925
Last Reconstructed
1970
Material
Steel
Number of Spans
1
Structure Length
7.0 m (23 ft)
Deck Width
10.0 m (33 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,415 vehicles/day
Structure Number
020101410012700

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in poor condition (3/9), showing advanced deterioration on the inspecting agency's 0-9 scale.

How to read this record

NH152 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 NH152 against other structures in Rockingham and across New Hampshire. New Hampshire 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 NH152?

NH152 in Rockingham, New Hampshire has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is NH152 inspected?

NH152'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 3,415 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NH152 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 NH152?

NH152 has an NBI inventory load rating of 30.2 metric tons.

Who is responsible for maintaining NH152?

NH152 is owned and maintained by State Highway Agency.

How old is NH152 and does age affect safety?

NH152 was built in 1925, making it 101 years old and last reconstructed in 1970.

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.