FHWA NBI 2024 Inspection record Public-domain dataset

HERMAN THAU ROAD

Carrying HERMAN THAU ROAD over BEAVER BROOK

0.16 MI W. BEAVER BK RD, Hunterdon, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
27 t Inventory load rating

Bridge Snapshot: HERMAN THAU ROAD

The HERMAN THAU ROAD bridge in Hunterdon, New Jersey carries HERMAN THAU ROAD over BEAVER BROOK. It was built in 1994, making it 32 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.4 meters (21 feet) end to end. Daily traffic averages 275 vehicles, placing it in the lower-traffic tier of New Jersey bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 27.2 metric tons.

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

How HERMAN THAU ROAD compares

▼ 16.6
Load rating vs New Jersey average (43.8 t)
Bottom 19%
Lower load rating than 81% of New Jersey bridges
370
Bridges in Hunterdon · 28 in Poor condition
HERMAN THAU ROAD 27.2 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
85.6 / 100 - historical 80–100 band
Structural adequacy /55
51.1
Serviceability /30
21.5
Essentiality /15
14.9
Special reductions
−2.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
27.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1994
Material
Concrete
Number of Spans
1
Structure Length
6.4 m (21 ft)
Deck Width
8.7 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
275 vehicles/day
Structure Number
1000109

Condition Analysis

  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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 HERMAN THAU ROAD 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 HERMAN THAU ROAD against other structures in Hunterdon and across New Jersey. New Jersey 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 HERMAN THAU ROAD?

HERMAN THAU ROAD in Hunterdon, New Jersey, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HERMAN THAU ROAD inspected?

HERMAN THAU 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 275 vehicles per day.

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

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

What is the inventory load rating for HERMAN THAU ROAD?

HERMAN THAU ROAD has an NBI inventory load rating of 27.2 metric tons.

Who is responsible for maintaining HERMAN THAU ROAD?

HERMAN THAU ROAD is owned and maintained by County Highway Agency.

How old is HERMAN THAU ROAD and does age affect safety?

HERMAN THAU ROAD was built in 1994, making it 32 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.