FHWA NBI 2024 Inspection record Public-domain dataset

MUDDY RUN ROAD

Carrying MUDDY RUN ROAD over MUDDY RUN

0.3S OF BARBERTN PT BZ RD, Hunterdon, New Jersey

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
47 t Inventory load rating

Bridge Snapshot: MUDDY RUN ROAD

The MUDDY RUN ROAD bridge in Hunterdon, New Jersey carries MUDDY RUN ROAD over MUDDY RUN. It was built in 1919, making it 107 years old today. It was last reconstructed in 2004, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 10.1 meters (33 feet) end to end. Daily traffic averages 44 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 a deck rating of 8/9, superstructure at 8/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 47.2 metric tons.

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

How MUDDY RUN ROAD compares

▲ 3.4
Load rating vs New Jersey average (43.8 t)
Top 35%
Higher load rating than 65% of New Jersey bridges
370
Bridges in Hunterdon · 28 in Poor condition
MUDDY RUN ROAD 47.2 t
New Jersey average 43.8 t

Live comparison across New Jersey.

Historical Sufficiency Rating

PlainBridge-computed
95.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
47.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1919
Last Reconstructed
2004
Material
Steel
Number of Spans
1
Structure Length
10.1 m (33 ft)
Deck Width
5.8 m (19 ft)
Owner
County Highway Agency
Avg Daily Traffic
44 vehicles/day
Structure Number
1000082

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether MUDDY RUN 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 MUDDY RUN 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 MUDDY RUN ROAD?

MUDDY RUN ROAD in Hunterdon, New Jersey has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MUDDY RUN ROAD inspected?

MUDDY RUN 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 44 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MUDDY RUN 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 MUDDY RUN ROAD?

MUDDY RUN ROAD has an NBI inventory load rating of 47.2 metric tons.

Who is responsible for maintaining MUDDY RUN ROAD?

MUDDY RUN ROAD is owned and maintained by County Highway Agency.

How old is MUDDY RUN ROAD and does age affect safety?

MUDDY RUN ROAD was built in 1919, making it 107 years old and last reconstructed in 2004.

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.