FHWA NBI 2024 Inspection record Public-domain dataset

FEE TPK SB

Carrying FEE TPK SB over PENNICHUCK BROOK

NASHUA-MERRIMACK T.L., Hillsborough, New Hampshire

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: FEE TPK SB

The FEE TPK SB bridge in Hillsborough, New Hampshire carries FEE TPK SB over PENNICHUCK BROOK. It was built in 1954, making it 72 years old today. The structure is built primarily of steel and spans 1 section, stretching 27.4 meters (90 feet) end to end. Daily traffic averages 43,368 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 6/9, 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 22.7 metric tons.

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

How FEE TPK SB compares

▼ 15.5
Load rating vs New Hampshire average (38.2 t)
Bottom 17%
Lower load rating than 83% of New Hampshire bridges
385
Bridges in Hillsborough · 30 in Poor condition
FEE TPK SB 22.7 t
New Hampshire average 38.2 t

Live comparison across New Hampshire.

Historical Sufficiency Rating

PlainBridge-computed
29.2 / 100 - historical 20–49.9 band
Structural adequacy /55
20.2
Serviceability /30
9.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
22.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1954
Material
Steel
Number of Spans
1
Structure Length
27.4 m (90 ft)
Deck Width
11.0 m (36 ft)
Owner
State Toll Authority
Avg Daily Traffic
43,368 vehicles/day
Structure Number
016801060004200

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

FEE TPK SB 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 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 FEE TPK SB?

FEE TPK SB in Hillsborough, New Hampshire has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is FEE TPK SB inspected?

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 43,368 vehicles per day.

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

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

FEE TPK SB has an NBI inventory load rating of 22.7 metric tons.

Who is responsible for maintaining FEE TPK SB?

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

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

FEE TPK SB was built in 1954, making it 72 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.