FHWA NBI 2024 Inspection record Public-domain dataset

I-691 WB AND RAMPS

Carrying I-691 WB AND RAMPS over WILLOW BROOK

I-691 WB EXIT NO. 9, New Haven, Connecticut

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
100 t Inventory load rating

Bridge Snapshot: I-691 WB AND RAMPS

The I-691 WB AND RAMPS bridge in New Haven, Connecticut carries I-691 WB AND RAMPS over WILLOW BROOK. It was built in 1965, making it 61 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 6.7 meters (22 feet) end to end. Daily traffic averages 42,500 vehicles, placing it in the heavily-trafficked tier of Connecticut 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 99.9 metric tons.

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

How I-691 WB AND RAMPS compares

▲ 55.0
Load rating vs Connecticut average (44.9 t)
Top 5%
Higher load rating than 95% of Connecticut bridges
891
Bridges in New Haven · 23 in Poor condition
I-691 WB AND RAMPS 99.9 t
Connecticut average 44.9 t

Live comparison across Connecticut.

Historical Sufficiency Rating

PlainBridge-computed
78.2 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
8.2
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 How the historical reference is calculated.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

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

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

Structural Details

Year Built
1965
Material
Concrete Continuous
Number of Spans
2
Structure Length
6.7 m (22 ft)
Owner
State Highway Agency
Avg Daily Traffic
42,500 vehicles/day
Structure Number
03050

How to read this record

This page shows what the last federal inspection recorded, not whether I-691 WB AND RAMPS 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 I-691 WB AND RAMPS against other structures in New Haven and across Connecticut. Connecticut 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 I-691 WB AND RAMPS?

I-691 WB AND RAMPS in New Haven, Connecticut on the FHWA's 0–9 scale.

How often is I-691 WB AND RAMPS inspected?

I-691 WB AND RAMPS'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 42,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I-691 WB AND RAMPS 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 I-691 WB AND RAMPS?

I-691 WB AND RAMPS has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining I-691 WB AND RAMPS?

I-691 WB AND RAMPS is owned and maintained by State Highway Agency.

How old is I-691 WB AND RAMPS and does age affect safety?

I-691 WB AND RAMPS 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.