FHWA NBI 2024 Inspection record Public-domain dataset

CARLTON ROAD

Carrying CARLTON ROAD over SOUTH BROOK

0.20 MI. RTE 32, Cheshire, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
5 t Inventory load rating

Bridge Snapshot: CARLTON ROAD

The CARLTON ROAD bridge in Cheshire, New Hampshire carries CARLTON ROAD over SOUTH BROOK. It was built in 1869, making it 157 years old today. It was last reconstructed in 1997, extending its service life. The structure is built primarily of wood or timber and spans 1 section, stretching 21.0 meters (69 feet) end to end. Daily traffic averages 493 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 6/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 5.4 metric tons.

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

How CARLTON ROAD compares

▼ 32.8
Load rating vs New Hampshire average (38.2 t)
Bottom 1%
Lower load rating than 99% of New Hampshire bridges
192
Bridges in Cheshire · 22 in Poor condition
CARLTON ROAD 5.4 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
27.6 / 100 - historical 20–49.9 band
Structural adequacy /55
9.3
Serviceability /30
4.0
Essentiality /15
14.3
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
5.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1869
Last Reconstructed
1997
Material
Wood or Timber
Number of Spans
1
Structure Length
21.0 m (69 ft)
Deck Width
5.2 m (17 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
493 vehicles/day
Structure Number
025101480010000

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether CARLTON 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 CARLTON ROAD 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 CARLTON ROAD?

CARLTON ROAD in Cheshire, New Hampshire has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is CARLTON ROAD inspected?

CARLTON 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 493 vehicles per day.

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

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

CARLTON ROAD has an NBI inventory load rating of 5.4 metric tons.

Who is responsible for maintaining CARLTON ROAD?

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

How old is CARLTON ROAD and does age affect safety?

CARLTON ROAD was built in 1869, making it 157 years old and last reconstructed in 1997.

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.