FHWA NBI 2024 Inspection record Public-domain dataset

BLAKE HILL ROAD

Carrying BLAKE HILL ROAD over BLAKE BROOK

0.8 MI FR OLD BRISTOL RD, Belknap, New Hampshire

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
72 t Inventory load rating Higher than 95% of rated New Hampshire bridges

BLAKE HILL ROAD in Belknap, New Hampshire sits above 95% of rated New Hampshire bridges on inventory load rating (72 t), while its 1999 build year is earlier than 21% of Belknap's recorded-year cohort (112 bridges).

BLAKE HILL ROAD in Belknap, New Hampshire is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1999, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. 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:018400660006100

LATE-CENTURY · CONCRETE · SINGLE-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD

  • LATE-CENTURY 1980–1999
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • 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: BLAKE HILL ROAD

The BLAKE HILL ROAD bridge in Belknap, New Hampshire carries BLAKE HILL ROAD over BLAKE BROOK. It was built in 1999, making it 27 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 142 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 culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How BLAKE HILL ROAD compares

▲ 33.4
Load rating vs New Hampshire average (38.4 t; 2,540 of 2,542 rated)
112
Bridges in Belknap · 5 in Poor condition

Age against the county: built in 1999, earlier than 24 of Belknap's 112 bridges with a recorded construction year (21%), against a county median build year of 1965. This is one of the newer structures in its county.

BLAKE HILL ROAD 71.8 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).

BLAKE HILL ROAD vs every rated New Hampshire bridge

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

72 Top 5% higher than 95% 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

Culvert
7/9
Good (7–9)
Inventory Load Rating
71.8 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Belknap inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 112 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
1999
Material
Concrete
Number of Spans
1
Structure Length
7.3 m (24 ft)
0
Owner
City/Municipal Highway Agency
Avg Daily Traffic
142 vehicles/day
Structure Number
018400660006100

How to read this record

This page shows what the last federal inspection recorded, not whether BLAKE HILL 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 BLAKE HILL ROAD against other structures in Belknap 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 BLAKE HILL ROAD?

BLAKE HILL ROAD in Belknap, New Hampshire on the FHWA's 0–9 scale.

How often is BLAKE HILL ROAD inspected?

BLAKE HILL 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 142 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. BLAKE HILL 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 BLAKE HILL ROAD?

BLAKE HILL ROAD has an NBI inventory load rating of 71.8 metric tons.

Who is responsible for maintaining BLAKE HILL ROAD?

BLAKE HILL ROAD is owned and maintained by City/Municipal Highway Agency.

How old is BLAKE HILL ROAD and does age affect safety?

BLAKE HILL ROAD was built in 1999, making it 27 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.