FHWA NBI 2024 Inspection record Public-domain dataset

MAIN ST N

Carrying MAIN ST N over SAINT GEORGE RIVER

4.0 MI E OF TL ON RTE 173, Waldo, Maine

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
38 t Inventory load rating Higher than 52% of rated Maine bridges

MAIN ST N in Waldo, Maine sits above 52% of rated Maine bridges on inventory load rating (38 t), while its 2010 build year is earlier than 10% of Waldo's recorded-year cohort (92 bridges).

MAIN ST N in Waldo, Maine is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2010, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:2555

POST-2000 · CONCRETE · SINGLE-SPAN · CULVERT-LED · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

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: MAIN ST N

The MAIN ST N bridge in Waldo, Maine carries MAIN ST N over SAINT GEORGE RIVER. It was built in 2010, making it 16 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 2,977 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 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.

How MAIN ST N compares

▼ 1.2
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 2010, earlier than 9 of Waldo's 92 bridges with a recorded construction year (10%), against a county median build year of 1955. This is one of the newer structures in its county.

MAIN ST N 37.9 t
Maine average (2,518 rated) 39.1 t

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

MAIN ST N vs every rated Maine bridge

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

38 Top 48% higher than 52% 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
7/9
Good (7–9)
Inventory Load Rating
37.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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
2010
Material
Concrete
Number of Spans
1
Structure Length
9.8 m (32 ft)
Deck Width
9.8 m (32 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,977 vehicles/day
Structure Number
2555

How to read this record

This page shows what the last federal inspection recorded, not whether MAIN ST N 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 MAIN ST N 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 MAIN ST N?

MAIN ST N in Waldo, Maine on the FHWA's 0–9 scale.

How often is MAIN ST N inspected?

MAIN ST N'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 2,977 vehicles per day.

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

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

What is the inventory load rating for MAIN ST N?

MAIN ST N has an NBI inventory load rating of 37.9 metric tons.

Who is responsible for maintaining MAIN ST N?

MAIN ST N is owned and maintained by State Highway Agency.

How old is MAIN ST N and does age affect safety?

MAIN ST N was built in 2010, making it 16 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

Share this inspection record

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.