FHWA NBI 2024 Inspection record Public-domain dataset

ST116 CONWAY RD

Carrying ST116 CONWAY RD over WATER SOUTH RIVER

600' N. OF CREAMERY ROAD, Franklin, Massachusetts

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
35 t Inventory load rating

Bridge Snapshot: ST116 CONWAY RD

The ST116 CONWAY RD bridge in Franklin, Massachusetts carries ST116 CONWAY RD over WATER SOUTH RIVER. It was built in 2007, making it 19 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.0 meters (30 feet) end to end. Daily traffic averages 1,940 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 a deck rating of 7/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 35.0 metric tons.

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

How ST116 CONWAY RD compares

▼ 6.2
Load rating vs Massachusetts average (41.2 t)
Bottom 43%
Lower load rating than 57% of Massachusetts bridges
314
Bridges in Franklin · 35 in Poor condition
ST116 CONWAY RD 35.0 t
Massachusetts average 41.2 t

Live comparison across Massachusetts.

Historical Sufficiency Rating

PlainBridge-computed
85.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
16.7
Essentiality /15
14.9
Special reductions
−1.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Inventory Load Rating
35.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2007
Material
Concrete
Number of Spans
1
Structure Length
9.0 m (30 ft)
Deck Width
9.0 m (30 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,940 vehicles/day
Structure Number
A13012B1RDOTNBI

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • At 8/9, 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 ST116 CONWAY 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 ST116 CONWAY RD against other structures in Franklin 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 ST116 CONWAY RD?

ST116 CONWAY RD in Franklin, Massachusetts has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is ST116 CONWAY RD inspected?

ST116 CONWAY 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 1,940 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ST116 CONWAY 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 ST116 CONWAY RD?

ST116 CONWAY RD has an NBI inventory load rating of 35.0 metric tons.

Who is responsible for maintaining ST116 CONWAY RD?

ST116 CONWAY RD is owned and maintained by State Highway Agency.

How old is ST116 CONWAY RD and does age affect safety?

ST116 CONWAY RD was built in 2007, making it 19 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.