FHWA NBI 2024 Inspection record Public-domain dataset

ISLAND STREET

Carrying ISLAND STREET over ASHUELOT RIVER

DOWNTOWN KEENE, Cheshire, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
19 t Inventory load rating

Bridge Snapshot: ISLAND STREET

The ISLAND STREET bridge in Cheshire, New Hampshire carries ISLAND STREET over ASHUELOT RIVER. It was built in 1979, making it 47 years old today. The structure is built primarily of steel and spans 1 section, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 5,953 vehicles, placing it in the moderately-trafficked 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 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 19.2 metric tons.

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

How ISLAND STREET compares

▼ 19.0
Load rating vs New Hampshire average (38.2 t)
Bottom 12%
Lower load rating than 88% of New Hampshire bridges
192
Bridges in Cheshire · 22 in Poor condition
ISLAND STREET 19.2 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
59.4 / 100 - historical 50–79.9 band
Structural adequacy /55
39.4
Serviceability /30
9.0
Essentiality /15
14.0
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
19.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1979
Material
Steel
Number of Spans
1
Structure Length
27.4 m (90 ft)
Deck Width
8.8 m (29 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
5,953 vehicles/day
Structure Number
013601250006900

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether ISLAND STREET 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 ISLAND STREET against other structures in Cheshire 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 ISLAND STREET?

ISLAND STREET in Cheshire, New Hampshire has a deck rating of 8/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is ISLAND STREET inspected?

ISLAND STREET'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 5,953 vehicles per day.

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

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

What is the inventory load rating for ISLAND STREET?

ISLAND STREET has an NBI inventory load rating of 19.2 metric tons.

Who is responsible for maintaining ISLAND STREET?

ISLAND STREET is owned and maintained by City/Municipal Highway Agency.

How old is ISLAND STREET and does age affect safety?

ISLAND STREET was built in 1979, making it 47 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

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.