FHWA NBI 2024 Inspection record Public-domain dataset

BOW LAKE ROAD

Carrying BOW LAKE ROAD over SHERBURNE BROOK

0.75 STRAFFORD TL, Rockingham, New Hampshire

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
41 t Inventory load rating Higher than 55% of rated New Hampshire bridges

BOW LAKE ROAD in Rockingham, New Hampshire sits above 55% of rated New Hampshire bridges on inventory load rating (41 t), while its 2021 build year is earlier than 0% of Rockingham's recorded-year cohort (308 bridges).

BOW LAKE ROAD in Rockingham, New Hampshire is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2021, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 9. The lowest applicable rating sets the federal condition category, so this Good 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:020000950011300

POST-2000 · CONCRETE · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

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: BOW LAKE ROAD

The BOW LAKE ROAD bridge in Rockingham, New Hampshire carries BOW LAKE ROAD over SHERBURNE BROOK. It was built in 2021, making it 5 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.7 meters (25 feet) end to end. Daily traffic averages 652 vehicles, placing it in the lower-traffic tier of New Hampshire bridges. It is owned and maintained by City/Municipal Highway Agency.

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

How BOW LAKE ROAD compares

▲ 2.3
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 2021, earlier than 0 of Rockingham's 308 bridges with a recorded construction year (0%), against a county median build year of 1981. This is one of the newer structures in its county.

BOW LAKE ROAD 40.7 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).

BOW LAKE ROAD vs every rated New Hampshire bridge

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

41 Top 45% higher than 55% 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
9/9
Good (7–9)
Superstructure
9/9
Good (7–9)
Substructure
9/9
Good (7–9)
Inventory Load Rating
40.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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
2021
Material
Concrete
Number of Spans
1
Structure Length
7.7 m (25 ft)
Deck Width
8.7 m (29 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
652 vehicles/day
Structure Number
020000950011300

Condition Analysis

  • The deck (driving surface) rates good at 9/9, with no significant deterioration on file.
  • At 9/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 9/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether BOW LAKE ROAD 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 BOW LAKE ROAD 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 BOW LAKE ROAD?

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

How often is BOW LAKE ROAD inspected?

BOW LAKE ROAD'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 652 vehicles per day.

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

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

What is the inventory load rating for BOW LAKE ROAD?

BOW LAKE ROAD has an NBI inventory load rating of 40.7 metric tons.

Who is responsible for maintaining BOW LAKE ROAD?

BOW LAKE ROAD is owned and maintained by City/Municipal Highway Agency.

How old is BOW LAKE ROAD and does age affect safety?

BOW LAKE ROAD was built in 2021, making it 5 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

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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.