FHWA NBI 2024 Inspection record Public-domain dataset

ALPHA AVENUE

Carrying ALPHA AVENUE over AMTRAK RR & LOCAL ROADS

1000 FT SOUTH OF ROUTE 1A, New London, Connecticut

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
16 t Inventory load rating

Bridge Snapshot: ALPHA AVENUE

The ALPHA AVENUE bridge in New London, Connecticut carries ALPHA AVENUE over AMTRAK RR & LOCAL ROADS. It was built in 1940, making it 86 years old today. It was last reconstructed in 1992, extending its service life. The structure is built primarily of steel continuous and spans 8 sections, stretching 190.5 meters (625 feet) end to end. Daily traffic averages 4,200 vehicles, placing it in the moderately-trafficked tier of Connecticut bridges. It is owned and maintained by Unknown.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 16.2 metric tons.

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

How ALPHA AVENUE compares

▼ 28.7
Load rating vs Connecticut average (44.9 t)
Bottom 1%
Lower load rating than 99% of Connecticut bridges
431
Bridges in New London · 16 in Poor condition
ALPHA AVENUE 16.2 t
Connecticut average 44.9 t

Live comparison across Connecticut.

Historical Sufficiency Rating

PlainBridge-computed
33.8 / 100 - historical 20–49.9 band
Structural adequacy /55
8.8
Serviceability /30
25.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
16.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1940
Last Reconstructed
1992
Material
Steel Continuous
Number of Spans
8
Structure Length
190.5 m (625 ft)
Deck Width
14.8 m (49 ft)
Owner
Unknown
Avg Daily Traffic
4,200 vehicles/day
Structure Number
03906

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

ALPHA 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 ALPHA AVENUE against other structures in New London 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 ALPHA AVENUE?

ALPHA AVENUE in New London, Connecticut has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is ALPHA AVENUE inspected?

ALPHA 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 4,200 vehicles per day.

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

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

ALPHA AVENUE has an NBI inventory load rating of 16.2 metric tons.

Who is responsible for maintaining ALPHA AVENUE?

ALPHA AVENUE is owned and maintained by Unknown.

How old is ALPHA AVENUE and does age affect safety?

ALPHA AVENUE was built in 1940, making it 86 years old and last reconstructed in 1992.

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.