FHWA NBI 2024 Inspection record Public-domain dataset

SWAN LAKE AV

Carrying SWAN LAKE AV over GOOSE RIVER

1.6 MI NORTH OF US 1, Waldo, Maine

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
65 t Inventory load rating Higher than 92% of rated Maine bridges

SWAN LAKE AV in Waldo, Maine sits above 92% of rated Maine bridges on inventory load rating (65 t), while its 1991 build year is earlier than 23% of Waldo's recorded-year cohort (92 bridges).

SWAN LAKE AV in Waldo, Maine is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1991, it carries 1 rated component 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:5264

LATE-CENTURY · STEEL · SINGLE-SPAN · CULVERT-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-FAIR

  • LATE-CENTURY 1980–1999
  • STEEL Steel
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • HEAVY-LOAD Heavy 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: SWAN LAKE AV

The SWAN LAKE AV bridge in Waldo, Maine carries SWAN LAKE AV over GOOSE RIVER. It was built in 1991, making it 35 years old today. The structure is built primarily of steel and spans 1 section, stretching 6.5 meters (21 feet) end to end. Daily traffic averages 3,655 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 culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How SWAN LAKE AV compares

▲ 25.4
Load rating vs Maine average (39.1 t; 2,518 rated)
92
Bridges in Waldo · 16 in Poor condition

Age against the county: built in 1991, earlier than 21 of Waldo's 92 bridges with a recorded construction year (23%), against a county median build year of 1955. This is one of the newer structures in its county.

SWAN LAKE AV 64.5 t
Maine average (2,518 rated) 39.1 t

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

SWAN LAKE AV vs every rated Maine bridge

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

65 Top 8% higher than 92% 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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
64.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Waldo inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 92 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
1991
Material
Steel
Number of Spans
1
Structure Length
6.5 m (21 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
3,655 vehicles/day
Structure Number
5264

How to read this record

This page shows what the last federal inspection recorded, not whether SWAN LAKE AV 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 SWAN LAKE AV against other structures in Waldo 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 SWAN LAKE AV?

SWAN LAKE AV in Waldo, Maine on the FHWA's 0–9 scale.

How often is SWAN LAKE AV inspected?

SWAN LAKE AV'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 3,655 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SWAN LAKE AV 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 SWAN LAKE AV?

SWAN LAKE AV has an NBI inventory load rating of 64.5 metric tons.

Who is responsible for maintaining SWAN LAKE AV?

SWAN LAKE AV is owned and maintained by State Highway Agency.

How old is SWAN LAKE AV and does age affect safety?

SWAN LAKE AV was built in 1991, making it 35 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.