FHWA NBI 2024 Inspection record Public-domain dataset

DURHAM RD

Carrying DURHAM RD over MILL POND STREAM

3MI N I-95, Cumberland, Maine

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
37 t Inventory load rating

Bridge Snapshot: DURHAM RD

The DURHAM RD bridge in Cumberland, Maine carries DURHAM RD over MILL POND STREAM. It was built in 1931, making it 95 years old today. It was last reconstructed in 2011, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 4,921 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. Its NBI inventory load rating is 37.3 metric tons.

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

How DURHAM RD compares

▼ 2.9
Load rating vs Maine average (40.2 t)
Bottom 47%
Lower load rating than 53% of Maine bridges
80
Bridges in Cumberland · 9 in Poor condition
DURHAM RD 37.3 t
Maine average 40.2 t

Live comparison across Maine.

Historical Sufficiency Rating

PlainBridge-computed
88.1 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
4.2
Special reductions
−1.0

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 How the historical reference is calculated.

Condition Ratings

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

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

Structural Details

Year Built
1931
Last Reconstructed
2011
Material
Concrete
Number of Spans
1
Structure Length
7.6 m (25 ft)
Owner
State Highway Agency
Avg Daily Traffic
4,921 vehicles/day
Structure Number
2167

How to read this record

This page shows what the last federal inspection recorded, not whether DURHAM RD 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 DURHAM 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 DURHAM RD?

DURHAM RD in Cumberland, Maine on the FHWA's 0–9 scale.

How often is DURHAM RD inspected?

DURHAM 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 4,921 vehicles per day.

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

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

DURHAM RD has an NBI inventory load rating of 37.3 metric tons.

Who is responsible for maintaining DURHAM RD?

DURHAM RD is owned and maintained by State Highway Agency.

How old is DURHAM RD and does age affect safety?

DURHAM RD was built in 1931, making it 95 years old and last reconstructed in 2011.

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.