FHWA NBI 2024 Inspection record Public-domain dataset

OLD DEERFIELD ROAD

Carrying OLD DEERFIELD ROAD over BROOK

185 FT FROM NH RTE 43, Rockingham, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
2 t Inventory load rating

Bridge Snapshot: OLD DEERFIELD ROAD

The OLD DEERFIELD ROAD bridge in Rockingham, New Hampshire carries OLD DEERFIELD ROAD over BROOK. It was built in 1920, making it 106 years old today. The structure is built primarily of masonry and spans 2 sections, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 190 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 5/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 1.8 metric tons.

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

How OLD DEERFIELD ROAD compares

▼ 36.4
Load rating vs New Hampshire average (38.2 t)
Bottom 1%
Lower load rating than 99% of New Hampshire bridges
308
Bridges in Rockingham · 20 in Poor condition
OLD DEERFIELD ROAD 1.8 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
16.2 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
2.0
Essentiality /15
14.2
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
1.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1920
Material
Masonry
Number of Spans
2
Structure Length
7.3 m (24 ft)
Deck Width
6.5 m (21 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
190 vehicles/day
Structure Number
003701510012300

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

OLD DEERFIELD 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 OLD DEERFIELD ROAD against other structures in Rockingham 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 OLD DEERFIELD ROAD?

OLD DEERFIELD ROAD in Rockingham, New Hampshire has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is OLD DEERFIELD ROAD inspected?

OLD DEERFIELD 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 190 vehicles per day.

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

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

OLD DEERFIELD ROAD has an NBI inventory load rating of 1.8 metric tons.

Who is responsible for maintaining OLD DEERFIELD ROAD?

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

How old is OLD DEERFIELD ROAD and does age affect safety?

OLD DEERFIELD ROAD was built in 1920, making it 106 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.