FHWA NBI 2024 Inspection record Public-domain dataset

CRANE HILL ROAD

Carrying CRANE HILL ROAD over GALE RIVER

TOWN RD, Grafton, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
13 t Inventory load rating

Bridge Snapshot: CRANE HILL ROAD

The CRANE HILL ROAD bridge in Grafton, New Hampshire carries CRANE HILL ROAD over GALE RIVER. It was built in 1928, making it 98 years old today. It was last reconstructed in 1960, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 32.9 meters (108 feet) end to end. Daily traffic averages 90 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 4/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 13.4 metric tons.

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

How CRANE HILL ROAD compares

▼ 24.8
Load rating vs New Hampshire average (38.2 t)
Bottom 4%
Lower load rating than 96% of New Hampshire bridges
544
Bridges in Grafton · 43 in Poor condition
CRANE HILL ROAD 13.4 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
14.6 / 100 - historical under-20 band
Structural adequacy /55
3.1
Serviceability /30
0.0
Essentiality /15
11.6
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
13.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1928
Last Reconstructed
1960
Material
Steel
Number of Spans
1
Structure Length
32.9 m (108 ft)
Deck Width
5.8 m (19 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
90 vehicles/day
Structure Number
024552020012800

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

CRANE HILL ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare CRANE HILL 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 CRANE HILL ROAD?

CRANE HILL ROAD in Grafton, New Hampshire has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is CRANE HILL ROAD inspected?

CRANE HILL 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 90 vehicles per day.

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

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

What is the inventory load rating for CRANE HILL ROAD?

CRANE HILL ROAD has an NBI inventory load rating of 13.4 metric tons.

Who is responsible for maintaining CRANE HILL ROAD?

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

How old is CRANE HILL ROAD and does age affect safety?

CRANE HILL ROAD was built in 1928, making it 98 years old and last reconstructed in 1960.

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.