FHWA NBI 2024 Inspection record Public-domain dataset

ROUTE 1

Carrying ROUTE 1 over 295/NB RAMP 295 TO 1/PTR

.5 MI S TOWNLINE, Cumberland, Maine

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
38 t Inventory load rating Higher than 51% of rated Maine bridges

ROUTE 1 in Cumberland, Maine sits above 51% of rated Maine bridges on inventory load rating (38 t), while its 1974 build year is earlier than 40% of Cumberland's recorded-year cohort (344 bridges).

ROUTE 1 in Cumberland, Maine is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1974, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:1376

INTERSTATE-ERA · STEEL · LONG-SPAN-RUN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-POOR

  • INTERSTATE-ERA 1950–1979
  • STEEL Steel
  • LONG-SPAN-RUN 6 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

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: ROUTE 1

The ROUTE 1 bridge in Cumberland, Maine carries ROUTE 1 over 295/NB RAMP 295 TO 1/PTR. It was built in 1974, making it 52 years old today. The structure is built primarily of steel continuous and spans 6 sections, stretching 157.0 meters (515 feet) end to end. Daily traffic averages 4,280 vehicles, placing it in the moderately-trafficked tier of Maine bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

How ROUTE 1 compares

▼ 1.5
Load rating vs Maine average (39.1 t; 2,518 rated)
344
Bridges in Cumberland · 41 in Poor condition

Age against the county: built in 1974, earlier than 137 of Cumberland's 344 bridges with a recorded construction year (40%), against a county median build year of 1971. This is one of the newer structures in its county.

ROUTE 1 37.6 t
Maine average (2,518 rated) 39.1 t

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

ROUTE 1 vs every rated Maine bridge

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

38 Top 49% higher than 51% 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
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
37.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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.

Cumberland inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 344 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
1974
Material
Steel Continuous
Number of Spans
6
Structure Length
157.0 m (515 ft)
Deck Width
10.6 m (35 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,280 vehicles/day
Structure Number
1376

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear on file for this vintage.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.

How to read this record

ROUTE 1 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare ROUTE 1 against other structures in Cumberland 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 ROUTE 1?

ROUTE 1 in Cumberland, Maine has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is ROUTE 1 inspected?

ROUTE 1'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 4,280 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ROUTE 1 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for ROUTE 1?

ROUTE 1 has an NBI inventory load rating of 37.6 metric tons.

Who is responsible for maintaining ROUTE 1?

ROUTE 1 is owned and maintained by State Highway Agency.

How old is ROUTE 1 and does age affect safety?

ROUTE 1 was built in 1974, making it 52 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.