FHWA NBI 2024 Inspection record Public-domain dataset

ARCHERTOWN ROAD

Carrying ARCHERTOWN ROAD over ARCHERTOWN BROOK

0.7 MI FR HIGH BRIDGE RD, Grafton, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
59 t Inventory load rating

Bridge Snapshot: ARCHERTOWN ROAD

The ARCHERTOWN ROAD bridge in Grafton, New Hampshire carries ARCHERTOWN ROAD over ARCHERTOWN BROOK. It was built in 2014, making it 12 years old today. The structure is built primarily of concrete and spans 1 section, stretching 12.9 meters (42 feet) end to end. Daily traffic averages 232 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 59.0 metric tons.

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

How ARCHERTOWN ROAD compares

▲ 20.8
Load rating vs New Hampshire average (38.2 t)
Top 9%
Higher load rating than 91% of New Hampshire bridges
544
Bridges in Grafton · 43 in Poor condition
ARCHERTOWN ROAD 59.0 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
90.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
20.5
Essentiality /15
15.0
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 How the historical reference is calculated.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
59.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2014
Material
Concrete
Number of Spans
1
Structure Length
12.9 m (42 ft)
Deck Width
8.2 m (27 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
232 vehicles/day
Structure Number
020300950011800

Condition Analysis

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

How to read this record

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

ARCHERTOWN ROAD in Grafton, 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 ARCHERTOWN ROAD inspected?

ARCHERTOWN 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 232 vehicles per day.

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

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

ARCHERTOWN ROAD has an NBI inventory load rating of 59.0 metric tons.

Who is responsible for maintaining ARCHERTOWN ROAD?

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

How old is ARCHERTOWN ROAD and does age affect safety?

ARCHERTOWN ROAD was built in 2014, making it 12 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.