FHWA NBI 2024 Inspection record Public-domain dataset

INSTITUTE AVENUE

Carrying INSTITUTE AVENUE over CHADAKOIN RIVER

AT JAMESTOWN, Chautauqua, New York

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: INSTITUTE AVENUE

The INSTITUTE AVENUE bridge in Chautauqua, New York carries INSTITUTE AVENUE over CHADAKOIN RIVER. It was built in 1976, making it 50 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 18.0 meters (59 feet) end to end. Daily traffic averages 888 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 6/9, superstructure at 6/9, substructure at 4/9. 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 31.8 metric tons.

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

How INSTITUTE AVENUE compares

▼ 10.1
Load rating vs New York average (41.9 t)
Bottom 25%
Lower load rating than 75% of New York bridges
587
Bridges in Chautauqua · 44 in Poor condition
INSTITUTE AVENUE 31.8 t
New York average 41.9 t

Live comparison across New York.

Historical Sufficiency Rating

PlainBridge-computed
65.4 / 100 - historical 50–79.9 band
Structural adequacy /55
29.8
Serviceability /30
22.6
Essentiality /15
14.9
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
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
1976
Material
Prestressed Concrete
Number of Spans
1
Structure Length
18.0 m (59 ft)
Deck Width
13.0 m (43 ft)
Owner
County Highway Agency
Avg Daily Traffic
888 vehicles/day
Structure Number
000000002258380

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • 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) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

INSTITUTE AVENUE 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 INSTITUTE AVENUE against other structures in Chautauqua 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 INSTITUTE AVENUE?

INSTITUTE AVENUE in Chautauqua, New York has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is INSTITUTE AVENUE inspected?

INSTITUTE AVENUE'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 888 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. INSTITUTE AVENUE 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 INSTITUTE AVENUE?

INSTITUTE AVENUE has an NBI inventory load rating of 31.8 metric tons.

Who is responsible for maintaining INSTITUTE AVENUE?

INSTITUTE AVENUE is owned and maintained by County Highway Agency.

How old is INSTITUTE AVENUE and does age affect safety?

INSTITUTE AVENUE was built in 1976, making it 50 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.