FHWA NBI 2024 Inspection record Public-domain dataset

ST 3 A/LINCOLN ST

Carrying ST 3 A/LINCOLN ST over WATER BACK RIVER

AT HINGHAM WEYMOUTH TL, Plymouth, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
55 t Inventory load rating

Bridge Snapshot: ST 3 A/LINCOLN ST

The ST 3 A/LINCOLN ST bridge in Plymouth, Massachusetts carries ST 3 A/LINCOLN ST over WATER BACK RIVER. It was built in 1943, making it 83 years old today. It was last reconstructed in 2005, extending its service life. The structure is built primarily of steel continuous and spans 5 sections, stretching 112.8 meters (370 feet) end to end. Daily traffic averages 36,300 vehicles, placing it in the heavily-trafficked tier of Massachusetts bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 54.7 metric tons.

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

How ST 3 A/LINCOLN ST compares

▲ 13.5
Load rating vs Massachusetts average (41.2 t)
Top 15%
Higher load rating than 85% of Massachusetts bridges
287
Bridges in Plymouth · 16 in Poor condition
ST 3 A/LINCOLN ST 54.7 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
57.0 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
12.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
54.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1943
Last Reconstructed
2005
Material
Steel Continuous
Number of Spans
5
Structure Length
112.8 m (370 ft)
Deck Width
19.0 m (62 ft)
Owner
State Highway Agency
Avg Daily Traffic
36,300 vehicles/day
Structure Number
H1500247KDOTNBI

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether ST 3 A/LINCOLN ST 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 ST 3 A/LINCOLN ST 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 ST 3 A/LINCOLN ST?

ST 3 A/LINCOLN ST in Plymouth, Massachusetts has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is ST 3 A/LINCOLN ST inspected?

ST 3 A/LINCOLN ST'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 36,300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST 3 A/LINCOLN ST 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 ST 3 A/LINCOLN ST?

ST 3 A/LINCOLN ST has an NBI inventory load rating of 54.7 metric tons.

Who is responsible for maintaining ST 3 A/LINCOLN ST?

ST 3 A/LINCOLN ST is owned and maintained by State Highway Agency.

How old is ST 3 A/LINCOLN ST and does age affect safety?

ST 3 A/LINCOLN ST was built in 1943, making it 83 years old and last reconstructed in 2005.

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.