FHWA NBI 2024 Inspection record Public-domain dataset

RTE 184

Carrying RTE 184 over FISH CREEK

5.8 MI NE JCT RTS 184+ 58, St. Lawrence, New York

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: RTE 184

The RTE 184 bridge in St. Lawrence, New York carries RTE 184 over FISH CREEK. It was built in 1932, making it 94 years old today. The structure is built primarily of steel and spans 1 section, stretching 11.3 meters (37 feet) end to end. Daily traffic averages 470 vehicles, placing it in the lower-traffic tier of New York bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 5/9. 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 31.8 metric tons.

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

How RTE 184 compares

▼ 10.1
Load rating vs New York average (41.9 t)
Bottom 25%
Lower load rating than 75% of New York bridges
326
Bridges in St. Lawrence · 20 in Poor condition
RTE 184 31.8 t
New York average 41.9 t

Live comparison across New York.

Historical Sufficiency Rating

PlainBridge-computed
58.7 / 100 - historical 50–79.9 band
Structural adequacy /55
29.8
Serviceability /30
15.2
Essentiality /15
14.7
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1932
Material
Steel
Number of Spans
1
Structure Length
11.3 m (37 ft)
Deck Width
8.7 m (29 ft)
Owner
State Highway Agency
Avg Daily Traffic
470 vehicles/day
Structure Number
000000001039600

Condition Analysis

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

How to read this record

RTE 184 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 RTE 184 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 RTE 184?

RTE 184 in St. Lawrence, New York has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is RTE 184 inspected?

RTE 184'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 470 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RTE 184 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 RTE 184?

RTE 184 has an NBI inventory load rating of 31.8 metric tons.

Who is responsible for maintaining RTE 184?

RTE 184 is owned and maintained by State Highway Agency.

How old is RTE 184 and does age affect safety?

RTE 184 was built in 1932, making it 94 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.