FHWA NBI 2024 Inspection record Public-domain dataset

WILLIAM KNIGHT RD

Carrying WILLIAM KNIGHT RD over PLEASANT RIVER

0.5 MI NW JCT RTE 202, Cumberland, Maine

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
4 t Inventory load rating

Bridge Snapshot: WILLIAM KNIGHT RD

The WILLIAM KNIGHT RD bridge in Cumberland, Maine carries WILLIAM KNIGHT RD over PLEASANT RIVER. It was built in 1965, making it 61 years old today. The structure is built primarily of steel and spans 1 section, stretching 7.9 meters (26 feet) end to end. Daily traffic averages 207 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 3/9, superstructure at 6/9, substructure at 6/9. 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. Its NBI inventory load rating is 3.6 metric tons.

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

How WILLIAM KNIGHT RD compares

▼ 36.6
Load rating vs Maine average (40.2 t)
Bottom 1%
Lower load rating than 99% of Maine bridges
80
Bridges in Cumberland · 9 in Poor condition
WILLIAM KNIGHT RD 3.6 t
Maine average 40.2 t

Live comparison across Maine.

Historical Sufficiency Rating

PlainBridge-computed
28.1 / 100 - historical 20–49.9 band
Structural adequacy /55
4.7
Serviceability /30
8.5
Essentiality /15
14.9
Special reductions
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
3.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1965
Material
Steel
Number of Spans
1
Structure Length
7.9 m (26 ft)
Deck Width
6.9 m (23 ft)
Owner
State Highway Agency
Avg Daily Traffic
207 vehicles/day
Structure Number
0257

Condition Analysis

  • The deck (driving surface) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

WILLIAM KNIGHT RD 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 WILLIAM KNIGHT RD 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 WILLIAM KNIGHT RD?

WILLIAM KNIGHT RD in Cumberland, Maine has a deck rating of 3/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is WILLIAM KNIGHT RD inspected?

WILLIAM KNIGHT 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 207 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WILLIAM KNIGHT RD 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 WILLIAM KNIGHT RD?

WILLIAM KNIGHT RD has an NBI inventory load rating of 3.6 metric tons.

Who is responsible for maintaining WILLIAM KNIGHT RD?

WILLIAM KNIGHT RD is owned and maintained by State Highway Agency.

How old is WILLIAM KNIGHT RD and does age affect safety?

WILLIAM KNIGHT RD was built in 1965, making it 61 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

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.