FHWA NBI 2024 Inspection record Public-domain dataset

WALKER STREET

Carrying WALKER STREET over PISCATAQUA R BACK CHAN

200 M SE OF SR103, Rockingham, New Hampshire

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
75 t Inventory load rating Higher than 96% of rated New Hampshire bridges

WALKER STREET in Rockingham, New Hampshire is rated Fair in the FHWA's 2024 National Bridge Inventory.

Built in 1913, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. 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 NH:1NH0BR1

PRE-1950 · STEEL · LONG-SPAN-RUN · SUB-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • LONG-SPAN-RUN 4 spans
  • SUB-LED Substructure-led
  • 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: WALKER STREET

The WALKER STREET bridge in Rockingham, New Hampshire carries WALKER STREET over PISCATAQUA R BACK CHAN. It was built in 1913, making it 113 years old today. It was last reconstructed in 2015, extending its service life. The structure is built primarily of steel and spans 4 sections, stretching 91.4 meters (300 feet) end to end. Daily traffic averages 7,000 vehicles, placing it in the moderately-trafficked tier of New Hampshire bridges. It is owned and maintained by Army.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How WALKER STREET compares

▲ 36.4
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 1913, earlier than 303 of Rockingham's 308 bridges with a recorded construction year (98%), 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.

WALKER STREET 74.8 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).

WALKER STREET vs every rated New Hampshire bridge

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

75 Top 4% higher than 96% 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
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
74.8 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.

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
1913
Last Reconstructed
2015
Material
Steel
Number of Spans
4
Structure Length
91.4 m (300 ft)
Deck Width
15.4 m (51 ft)
Owner
Army
Avg Daily Traffic
7,000 vehicles/day
Structure Number
1NH0BR1

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • At 6/9, 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 WALKER STREET 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 WALKER STREET 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 WALKER STREET?

WALKER STREET in Rockingham, New Hampshire has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is WALKER STREET inspected?

WALKER STREET'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 7,000 vehicles per day.

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

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

WALKER STREET has an NBI inventory load rating of 74.8 metric tons.

Who is responsible for maintaining WALKER STREET?

WALKER STREET is owned and maintained by Army.

How old is WALKER STREET and does age affect safety?

WALKER STREET was built in 1913, making it 113 years old and last reconstructed in 2015.

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.