FHWA NBI 2024 Inspection record Public-domain dataset

OLD LAKE SHORE RD

Carrying OLD LAKE SHORE RD over GUNSTOCK RIVER

240 FT FR INTERVALE RD, Belknap, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
52 t Inventory load rating

Bridge Snapshot: OLD LAKE SHORE RD

The OLD LAKE SHORE RD bridge in Belknap, New Hampshire carries OLD LAKE SHORE RD over GUNSTOCK RIVER. It was built in 1927, making it 99 years old today. It was last reconstructed in 2020, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 14.1 meters (46 feet) end to end. Daily traffic averages 662 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 8/9, superstructure at 8/9, substructure at 8/9. 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 52.4 metric tons.

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

How OLD LAKE SHORE RD compares

▲ 14.2
Load rating vs New Hampshire average (38.2 t)
Top 15%
Higher load rating than 85% of New Hampshire bridges
112
Bridges in Belknap · 5 in Poor condition
OLD LAKE SHORE RD 52.4 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
87.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
18.0
Essentiality /15
14.9
Special reductions
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
52.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1927
Last Reconstructed
2020
Material
Prestressed Concrete
Number of Spans
1
Structure Length
14.1 m (46 ft)
Deck Width
8.6 m (28 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
662 vehicles/day
Structure Number
009101060009900

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether OLD LAKE SHORE RD 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 OLD LAKE SHORE RD 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 OLD LAKE SHORE RD?

OLD LAKE SHORE RD in Belknap, New Hampshire has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is OLD LAKE SHORE RD inspected?

OLD LAKE SHORE RD'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 662 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD LAKE SHORE RD 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 OLD LAKE SHORE RD?

OLD LAKE SHORE RD has an NBI inventory load rating of 52.4 metric tons.

Who is responsible for maintaining OLD LAKE SHORE RD?

OLD LAKE SHORE RD is owned and maintained by City/Municipal Highway Agency.

How old is OLD LAKE SHORE RD and does age affect safety?

OLD LAKE SHORE RD was built in 1927, making it 99 years old and last reconstructed in 2020.

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.