FHWA NBI 2024 Inspection record Public-domain dataset

HWY SO STA OB RP

Carrying HWY SO STA OB RP over OTHER RELIEF

SOUTH STATION, Suffolk, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
41 t Inventory load rating

Bridge Snapshot: HWY SO STA OB RP

The HWY SO STA OB RP bridge in Suffolk, Massachusetts carries HWY SO STA OB RP over OTHER RELIEF. It was built in 1995, making it 31 years old today. The structure is built primarily of steel and spans 3 sections, stretching 76.1 meters (250 feet) end to end. Average daily traffic is not reported for this structure. It is owned and maintained by Other State Agencies.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure 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 41.1 metric tons.

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

How HWY SO STA OB RP compares

▼ 0.1
Load rating vs Massachusetts average (41.2 t)
Top 39%
Higher load rating than 61% of Massachusetts bridges
494
Bridges in Suffolk · 34 in Poor condition
HWY SO STA OB RP 41.1 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
81.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
41.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1995
Material
Steel
Number of Spans
3
Structure Length
76.1 m (250 ft)
Deck Width
5.5 m (18 ft)
Owner
Other State Agencies
Structure Number
B16677BQ6MBTNBI

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • 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 HWY SO STA OB RP 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 HWY SO STA OB RP against other structures in Suffolk 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 HWY SO STA OB RP?

HWY SO STA OB RP in Suffolk, Massachusetts has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HWY SO STA OB RP inspected?

HWY SO STA OB RP's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval.

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

FHWA retired that reported status beginning with the 2018 archive. HWY SO STA OB RP 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 HWY SO STA OB RP?

HWY SO STA OB RP has an NBI inventory load rating of 41.1 metric tons.

Who is responsible for maintaining HWY SO STA OB RP?

HWY SO STA OB RP is owned and maintained by Other State Agencies.

How old is HWY SO STA OB RP and does age affect safety?

HWY SO STA OB RP was built in 1995, making it 31 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.