FHWA NBI 2024 Inspection record Public-domain dataset

US 3,FEE TPK SB

Carrying US 3,FEE TPK SB over CANAL,SERVICE ROAD

0.5 MI FROM NH 130, Hillsborough, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating

Bridge Snapshot: US 3,FEE TPK SB

The US 3,FEE TPK SB bridge in Hillsborough, New Hampshire carries US 3,FEE TPK SB over CANAL,SERVICE ROAD. It was built in 1959, making it 67 years old today. It was last reconstructed in 1996, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 63.4 meters (208 feet) end to end. Daily traffic averages 56,671 vehicles, placing it in the heavily-trafficked tier of New Hampshire bridges. It is owned and maintained by State Toll Authority.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. 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 US 3,FEE TPK SB compares

▲ 7.2
Load rating vs New Hampshire average (38.2 t)
Top 29%
Higher load rating than 71% of New Hampshire bridges
385
Bridges in Hillsborough · 30 in Poor condition
US 3,FEE TPK SB 45.4 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
85.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
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
1959
Last Reconstructed
1996
Material
Steel
Number of Spans
2
Structure Length
63.4 m (208 ft)
Deck Width
25.3 m (83 ft)
Owner
State Toll Authority
Avg Daily Traffic
56,671 vehicles/day
Structure Number
017701000011200

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether US 3,FEE TPK SB 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 US 3,FEE TPK SB against other structures in Hillsborough 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 US 3,FEE TPK SB?

US 3,FEE TPK SB in Hillsborough, New Hampshire has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is US 3,FEE TPK SB inspected?

US 3,FEE TPK SB'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 56,671 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 3,FEE TPK SB 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 US 3,FEE TPK SB?

US 3,FEE TPK SB has an NBI inventory load rating of 45.4 metric tons.

Who is responsible for maintaining US 3,FEE TPK SB?

US 3,FEE TPK SB is owned and maintained by State Toll Authority.

How old is US 3,FEE TPK SB and does age affect safety?

US 3,FEE TPK SB was built in 1959, making it 67 years old and last reconstructed in 1996.

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.