FHWA NBI 2024 Inspection record Public-domain dataset

MDRD CHPMN ROAD

Carrying MDRD CHPMN ROAD over BRANDY BROOK

.5 MILE SE OF CHIPMAN, St. Lawrence, New York

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
42 t Inventory load rating

Bridge Snapshot: MDRD CHPMN ROAD

The MDRD CHPMN ROAD bridge in St. Lawrence, New York carries MDRD CHPMN ROAD over BRANDY BROOK. It was built in 2010, making it 16 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 17.4 meters (57 feet) end to end. Daily traffic averages 978 vehicles, placing it in the lower-traffic tier of New York bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 9/9, substructure at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 41.7 metric tons.

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

How MDRD CHPMN ROAD compares

▼ 0.2
Load rating vs New York average (41.9 t)
Top 45%
Higher load rating than 55% of New York bridges
326
Bridges in St. Lawrence · 20 in Poor condition
MDRD CHPMN ROAD 41.7 t
New York average 41.9 t

Live comparison across New York.

Historical Sufficiency Rating

PlainBridge-computed
95.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
26.2
Essentiality /15
14.6
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
9/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
41.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2010
Material
Prestressed Concrete
Number of Spans
1
Structure Length
17.4 m (57 ft)
Deck Width
10.2 m (33 ft)
Owner
County Highway Agency
Avg Daily Traffic
978 vehicles/day
Structure Number
000000003341260

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 9/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether MDRD CHPMN ROAD 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 MDRD CHPMN ROAD against other structures in St. Lawrence and across New York. New York 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 MDRD CHPMN ROAD?

MDRD CHPMN ROAD in St. Lawrence, New York has a deck rating of 8/9, superstructure rating of 9/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is MDRD CHPMN ROAD inspected?

MDRD CHPMN ROAD'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 978 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MDRD CHPMN ROAD 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 MDRD CHPMN ROAD?

MDRD CHPMN ROAD has an NBI inventory load rating of 41.7 metric tons.

Who is responsible for maintaining MDRD CHPMN ROAD?

MDRD CHPMN ROAD is owned and maintained by County Highway Agency.

How old is MDRD CHPMN ROAD and does age affect safety?

MDRD CHPMN ROAD 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

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.