FHWA NBI 2024 Inspection record Public-domain dataset

CENTRAL STREET

Carrying CENTRAL STREET over PEMIGEWASSET RIVER

AT NEW HAMPTON TL, Grafton, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating

Bridge Snapshot: CENTRAL STREET

The CENTRAL STREET bridge in Grafton, New Hampshire carries CENTRAL STREET over PEMIGEWASSET RIVER. It was built in 2009, making it 17 years old today. The structure is built primarily of steel and spans 1 section, stretching 75.6 meters (248 feet) end to end. Daily traffic averages 690 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 45.4 metric tons.

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

How CENTRAL STREET compares

▲ 7.2
Load rating vs New Hampshire average (38.2 t)
Top 29%
Higher load rating than 71% of New Hampshire bridges
544
Bridges in Grafton · 43 in Poor condition
CENTRAL STREET 45.4 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
96.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
27.3
Essentiality /15
14.5
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 How the historical reference is calculated.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
45.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2009
Material
Steel
Number of Spans
1
Structure Length
75.6 m (248 ft)
Deck Width
11.3 m (37 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
690 vehicles/day
Structure Number
003201130006400

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • 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 CENTRAL 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 CENTRAL STREET 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 CENTRAL STREET?

CENTRAL STREET 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 CENTRAL STREET inspected?

CENTRAL 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 690 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CENTRAL STREET 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 CENTRAL STREET?

CENTRAL STREET has an NBI inventory load rating of 45.4 metric tons.

Who is responsible for maintaining CENTRAL STREET?

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

How old is CENTRAL STREET and does age affect safety?

CENTRAL STREET was built in 2009, making it 17 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.