FHWA NBI 2024 Inspection record Public-domain dataset

N MAIN ST

Carrying N MAIN ST over MACHIAS RIVER (N CHAN)

3.5 MILES W'LY JCT 192, Washington, Maine

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: N MAIN ST

The N MAIN ST bridge in Washington, Maine carries N MAIN ST over MACHIAS RIVER (N CHAN). It was built in 1939, making it 87 years old today. It was last reconstructed in 2008, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 46.8 meters (154 feet) end to end. Daily traffic averages 800 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 a deck rating of 4/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 32.4 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How N MAIN ST compares

▼ 7.8
Load rating vs Maine average (40.2 t)
Bottom 27%
Lower load rating than 73% of Maine bridges
14
Bridges in Washington · 3 in Poor condition
N MAIN ST 32.4 t
Maine average 40.2 t

Live comparison across Maine.

Historical Sufficiency Rating

PlainBridge-computed
66.0 / 100 - historical 50–79.9 band
Structural adequacy /55
45.0
Serviceability /30
9.0
Essentiality /15
15.0
Special reductions
−3.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
4/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1939
Last Reconstructed
2008
Material
Steel
Number of Spans
2
Structure Length
46.8 m (154 ft)
Deck Width
7.7 m (25 ft)
Owner
State Highway Agency
Avg Daily Traffic
800 vehicles/day
Structure Number
3462

Condition Analysis

  • The deck (driving surface) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

N MAIN ST 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 N MAIN ST against other structures in Washington 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 N MAIN ST?

N MAIN ST in Washington, Maine has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is N MAIN ST inspected?

N MAIN ST'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 800 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. N MAIN ST 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 N MAIN ST?

N MAIN ST has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining N MAIN ST?

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

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

N MAIN ST was built in 1939, making it 87 years old and last reconstructed in 2008.

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

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.