FHWA NBI 2024 Inspection record Public-domain dataset

DOLLY COPP ROAD

Carrying DOLLY COPP ROAD over PEABODY RIVER

.46 MI. S. GORHAM T.L., Coos, New Hampshire

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
36 t Inventory load rating Lower than 51% of rated New Hampshire bridges

DOLLY COPP ROAD in Coos, New Hampshire sits above 49% of rated New Hampshire bridges on inventory load rating (36 t), while its 1950 build year is earlier than 69% of Coos's recorded-year cohort (188 bridges).

DOLLY COPP ROAD in Coos, New Hampshire is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1950, it carries 3 rated components 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:016451090018700

INTERSTATE-ERA · STEEL · MULTI-SPAN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-GOOD

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • MULTI-SPAN 2 spans
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard 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: DOLLY COPP ROAD

The DOLLY COPP ROAD bridge in Coos, New Hampshire carries DOLLY COPP ROAD over PEABODY RIVER. It was built in 1950, making it 76 years old today. It was last reconstructed in 1994, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 38.1 meters (125 feet) end to end. Daily traffic averages 437 vehicles, placing it in the lower-traffic tier of New Hampshire bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How DOLLY COPP ROAD compares

▼ 2.1
Load rating vs New Hampshire average (38.4 t; 2,540 of 2,542 rated)
188
Bridges in Coos · 12 in Poor condition

Age against the county: built in 1950, earlier than 129 of Coos's 188 bridges with a recorded construction year (69%), against a county median build year of 1964. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

DOLLY COPP ROAD 36.3 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).

DOLLY COPP ROAD vs every rated New Hampshire bridge

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

36 Top 51% higher than 49% 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
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
36.3 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.

Coos inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 188 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
1950
Last Reconstructed
1994
Material
Steel
Number of Spans
2
Structure Length
38.1 m (125 ft)
Deck Width
7.8 m (26 ft)
Owner
State Highway Agency
Avg Daily Traffic
437 vehicles/day
Structure Number
016451090018700

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, 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 DOLLY COPP 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 DOLLY COPP ROAD against other structures in Coos 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 DOLLY COPP ROAD?

DOLLY COPP ROAD in Coos, New Hampshire has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is DOLLY COPP ROAD inspected?

DOLLY COPP 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 437 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. DOLLY COPP 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 DOLLY COPP ROAD?

DOLLY COPP ROAD has an NBI inventory load rating of 36.3 metric tons.

Who is responsible for maintaining DOLLY COPP ROAD?

DOLLY COPP ROAD is owned and maintained by State Highway Agency.

How old is DOLLY COPP ROAD and does age affect safety?

DOLLY COPP ROAD was built in 1950, making it 76 years old and last reconstructed in 1994.

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.