COMMON ST-TW
Carrying COMMON ST-TW over B&M RR
.5 MI S JCT 9, Unknown County, Maine
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: COMMON ST-TW
The COMMON ST-TW bridge in Unknown County, Maine carries COMMON ST-TW over B&M RR. It does not have a recorded construction year in the NBI. Daily traffic averages 2,348 vehicles, placing it in the moderately-trafficked tier of Maine bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. No reported major component scores in the Poor range under the current federal condition thresholds.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Avg Daily Traffic
- 2,348 vehicles/day
- Structure Number
- 1354
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether COMMON ST-TW 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 COMMON ST-TW against other structures in Unknown County and across Maine. Maine 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 COMMON ST-TW?
COMMON ST-TW in Unknown County, Maine on the FHWA's 0–9 scale.
How often is COMMON ST-TW inspected?
COMMON ST-TW'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 2,348 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. COMMON ST-TW is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for COMMON ST-TW?
An inventory load rating is not recorded for COMMON ST-TW.
Who is responsible for maintaining COMMON ST-TW?
Ownership is not specified for COMMON ST-TW in the NBI.
How old is COMMON ST-TW and does age affect safety?
The construction year for COMMON ST-TW is not recorded in the NBI.
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.
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.