FHWA NBI 2024 Inspection record Public-domain dataset

ST106 WAPPING RD

Carrying ST106 WAPPING RD over WATER JONES RIVER

1.2 MI WEST OF ST 3 A, Plymouth, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
62 t Inventory load rating

Bridge Snapshot: ST106 WAPPING RD

The ST106 WAPPING RD bridge in Plymouth, Massachusetts carries ST106 WAPPING RD over WATER JONES RIVER. It was built in 1971, making it 55 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 7.2 meters (24 feet) end to end. Daily traffic averages 7,800 vehicles, placing it in the moderately-trafficked tier of Massachusetts bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 62.3 metric tons.

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

How ST106 WAPPING RD compares

▲ 21.1
Load rating vs Massachusetts average (41.2 t)
Top 10%
Higher load rating than 90% of Massachusetts bridges
287
Bridges in Plymouth · 16 in Poor condition
ST106 WAPPING RD 62.3 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
95.2 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.2
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
62.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1971
Material
Concrete
Number of Spans
2
Structure Length
7.2 m (24 ft)
Deck Width
16.3 m (53 ft)
Owner
State Highway Agency
Avg Daily Traffic
7,800 vehicles/day
Structure Number
K0100349NDOTNBI

How to read this record

This page shows what the last federal inspection recorded, not whether ST106 WAPPING RD 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 ST106 WAPPING RD against other structures in Plymouth and across Massachusetts. Massachusetts 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 ST106 WAPPING RD?

ST106 WAPPING RD in Plymouth, Massachusetts on the FHWA's 0–9 scale.

How often is ST106 WAPPING RD inspected?

ST106 WAPPING RD'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 7,800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST106 WAPPING RD 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 ST106 WAPPING RD?

ST106 WAPPING RD has an NBI inventory load rating of 62.3 metric tons.

Who is responsible for maintaining ST106 WAPPING RD?

ST106 WAPPING RD is owned and maintained by State Highway Agency.

How old is ST106 WAPPING RD and does age affect safety?

ST106 WAPPING RD was built in 1971, making it 55 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.