FHWA NBI 2024 Inspection record Public-domain dataset

STINSON LAKE ROAD

Carrying STINSON LAKE ROAD over SUCKER BROOK

.06 MI. N. OF RUMNEY TL, Grafton, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
58 t Inventory load rating

Bridge Snapshot: STINSON LAKE ROAD

The STINSON LAKE ROAD bridge in Grafton, New Hampshire carries STINSON LAKE ROAD over SUCKER BROOK. It was built in 1900, making it 126 years old today. It was last reconstructed in 1993, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 8.1 meters (27 feet) end to end. Daily traffic averages 253 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 58.0 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How STINSON LAKE ROAD compares

▲ 19.8
Load rating vs New Hampshire average (38.2 t)
Top 10%
Higher load rating than 90% of New Hampshire bridges
544
Bridges in Grafton · 43 in Poor condition
STINSON LAKE ROAD 58.0 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
86.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
18.2
Essentiality /15
14.9
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
58.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1900
Last Reconstructed
1993
Material
Concrete
Number of Spans
1
Structure Length
8.1 m (27 ft)
Deck Width
8.1 m (27 ft)
Owner
State Highway Agency
Avg Daily Traffic
253 vehicles/day
Structure Number
007500650007000

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 STINSON 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 STINSON LAKE ROAD against other structures in Grafton 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 STINSON LAKE ROAD?

STINSON LAKE ROAD in Grafton, 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 STINSON LAKE ROAD inspected?

STINSON 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 253 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STINSON 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 STINSON LAKE ROAD?

STINSON LAKE ROAD has an NBI inventory load rating of 58.0 metric tons.

Who is responsible for maintaining STINSON LAKE ROAD?

STINSON LAKE ROAD is owned and maintained by State Highway Agency.

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

STINSON LAKE ROAD was built in 1900, making it 126 years old and last reconstructed in 1993.

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

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.