SHEPARD HILL RD
Carrying SHEPARD HILL RD over MEDOMAK RIVER
UNION-WASHINGTON TL, Knox, Maine
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SHEPARD HILL RD
The SHEPARD HILL RD bridge in Knox, Maine carries SHEPARD HILL RD over MEDOMAK RIVER. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete and spans 1 section, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 474 vehicles, placing it in the lower-traffic tier of Maine bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 30.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SHEPARD HILL RD compares
Live comparison across Maine.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1966
- Material
- Concrete
- Number of Spans
- 1
- Structure Length
- 8.8 m (29 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 474 vehicles/day
- Structure Number
- 6046
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 SHEPARD HILL 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 SHEPARD HILL RD against other structures in Knox 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 SHEPARD HILL RD?
SHEPARD HILL RD in Knox, Maine on the FHWA's 0–9 scale.
How often is SHEPARD HILL RD inspected?
SHEPARD HILL 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 474 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SHEPARD HILL RD 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 SHEPARD HILL RD?
SHEPARD HILL RD has an NBI inventory load rating of 30.5 metric tons.
Who is responsible for maintaining SHEPARD HILL RD?
SHEPARD HILL RD is owned and maintained by State Highway Agency.
How old is SHEPARD HILL RD and does age affect safety?
SHEPARD HILL RD was built in 1966, making it 60 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.
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.