FHWA NBI 2024 Inspection record Public-domain dataset

WALNUT TREE HILLRD

Carrying WALNUT TREE HILLRD over POOTATUCK RIVER

300 FT NORTH OF SR 816, Fairfield, Connecticut

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
44 t Inventory load rating

Bridge Snapshot: WALNUT TREE HILLRD

The WALNUT TREE HILLRD bridge in Fairfield, Connecticut carries WALNUT TREE HILLRD over POOTATUCK RIVER. It was built in 1938, making it 88 years old today. It was last reconstructed in 2017, extending its service life. The structure is built primarily of prestressed concrete and spans 1 section, stretching 18.9 meters (62 feet) end to end. Daily traffic averages 184 vehicles, placing it in the lower-traffic tier of Connecticut bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. 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 44.1 metric tons.

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

How WALNUT TREE HILLRD compares

▼ 0.8
Load rating vs Connecticut average (44.9 t)
Top 40%
Higher load rating than 60% of Connecticut bridges
840
Bridges in Fairfield · 30 in Poor condition
WALNUT TREE HILLRD 44.1 t
Connecticut average 44.9 t

Live comparison across Connecticut.

Historical Sufficiency Rating

PlainBridge-computed
97.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
44.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1938
Last Reconstructed
2017
Material
Prestressed Concrete
Number of Spans
1
Structure Length
18.9 m (62 ft)
Deck Width
11.8 m (39 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
184 vehicles/day
Structure Number
05028

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether WALNUT TREE HILLRD 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 WALNUT TREE HILLRD against other structures in Fairfield 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 WALNUT TREE HILLRD?

WALNUT TREE HILLRD in Fairfield, Connecticut has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is WALNUT TREE HILLRD inspected?

WALNUT TREE HILLRD'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 184 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WALNUT TREE HILLRD 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 WALNUT TREE HILLRD?

WALNUT TREE HILLRD has an NBI inventory load rating of 44.1 metric tons.

Who is responsible for maintaining WALNUT TREE HILLRD?

WALNUT TREE HILLRD is owned and maintained by Town/Township Highway Agency.

How old is WALNUT TREE HILLRD and does age affect safety?

WALNUT TREE HILLRD was built in 1938, making it 88 years old and last reconstructed in 2017.

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.