FHWA NBI 2024 Inspection record Public-domain dataset

SHINGLE MILL ROAD

Carrying SHINGLE MILL ROAD over ROCK BROOK

1.5 MILE SOUTH OF ROUTE 4, Litchfield, Connecticut

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
39 t Inventory load rating

Bridge Snapshot: SHINGLE MILL ROAD

The SHINGLE MILL ROAD bridge in Litchfield, Connecticut carries SHINGLE MILL ROAD over ROCK BROOK. It was built in 2019, making it 7 years old today. The structure is built primarily of concrete and spans 1 section, stretching 15.9 meters (52 feet) end to end. Daily traffic averages 63 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 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 39.2 metric tons.

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

How SHINGLE MILL ROAD compares

▼ 5.7
Load rating vs Connecticut average (44.9 t)
Bottom 49%
Lower load rating than 51% of Connecticut bridges
466
Bridges in Litchfield · 34 in Poor condition
SHINGLE MILL ROAD 39.2 t
Connecticut average 44.9 t

Live comparison across Connecticut.

Historical Sufficiency Rating

PlainBridge-computed
98.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
39.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2019
Material
Concrete
Number of Spans
1
Structure Length
15.9 m (52 ft)
Deck Width
7.3 m (24 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
63 vehicles/day
Structure Number
05053

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 8/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether SHINGLE MILL ROAD 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 SHINGLE MILL ROAD against other structures in Litchfield 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 SHINGLE MILL ROAD?

SHINGLE MILL ROAD in Litchfield, Connecticut has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is SHINGLE MILL ROAD inspected?

SHINGLE MILL ROAD'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 63 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SHINGLE MILL ROAD 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 SHINGLE MILL ROAD?

SHINGLE MILL ROAD has an NBI inventory load rating of 39.2 metric tons.

Who is responsible for maintaining SHINGLE MILL ROAD?

SHINGLE MILL ROAD is owned and maintained by Town/Township Highway Agency.

How old is SHINGLE MILL ROAD and does age affect safety?

SHINGLE MILL ROAD was built in 2019, making it 7 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.