FHWA NBI 2024 Inspection record Public-domain dataset

MILL HILL RD

Carrying MILL HILL RD over STONY BROOK

1.2 MI NLY OF ROUTE 26, Oxford, Maine

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
40 t Inventory load rating Higher than 58% of rated Maine bridges

MILL HILL RD in Oxford, Maine sits above 58% of rated Maine bridges on inventory load rating (40 t), while its 1968 build year is earlier than 45% of Oxford's recorded-year cohort (252 bridges).

MILL HILL RD in Oxford, Maine is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1968, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure ME:6151

INTERSTATE-ERA · CONCRETE · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: MILL HILL RD

The MILL HILL RD bridge in Oxford, Maine carries MILL HILL RD over STONY BROOK. It was built in 1968, making it 58 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.4 meters (24 feet) end to end. Daily traffic averages 110 vehicles, placing it in the lower-traffic tier of Maine bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range.

How MILL HILL RD compares

▲ 0.4
Load rating vs Maine average (39.1 t; 2,518 rated)
252
Bridges in Oxford · 44 in Poor condition

Age against the county: built in 1968, earlier than 113 of Oxford's 252 bridges with a recorded construction year (45%), against a county median build year of 1964. This is one of the newer structures in its county.

MILL HILL RD 39.5 t
Maine average (2,518 rated) 39.1 t

Live comparison across Maine bridges with a recorded inventory load rating (2,518 rated).

MILL HILL RD vs every rated Maine bridge

Inventory load rating (metric tons), FHWA NBI, this state

40 Top 42% higher than 58% of 2,518 bridges

rated Maine bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
39.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Oxford inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 252 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1968
Material
Concrete
Number of Spans
1
Structure Length
7.4 m (24 ft)
Deck Width
8.6 m (28 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
110 vehicles/day
Structure Number
6151

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether MILL 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 MILL HILL RD against other structures in Oxford 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 MILL HILL RD?

MILL HILL RD in Oxford, Maine has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is MILL HILL RD inspected?

MILL 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 110 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MILL 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 MILL HILL RD?

MILL HILL RD has an NBI inventory load rating of 39.5 metric tons.

Who is responsible for maintaining MILL HILL RD?

MILL HILL RD is owned and maintained by Town/Township Highway Agency.

How old is MILL HILL RD and does age affect safety?

MILL HILL RD was built in 1968, making it 58 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.