FHWA NBI 2024 Inspection record Public-domain dataset

ROUTE 175

Carrying ROUTE 175 over AMTRAK RAILROAD

.49MI E NW BRTN-NWNGTN TL, Hartford, Connecticut

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
38 t Inventory load rating

Bridge Snapshot: ROUTE 175

The ROUTE 175 bridge in Hartford, Connecticut carries ROUTE 175 over AMTRAK RAILROAD. It was built in 1980, making it 46 years old today. It was last reconstructed in 2017, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 32.7 meters (107 feet) end to end. Daily traffic averages 29,700 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 a deck rating of 8/9, superstructure at 8/9, 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 38.2 metric tons.

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

How ROUTE 175 compares

▼ 6.7
Load rating vs Connecticut average (44.9 t)
Bottom 46%
Lower load rating than 54% of Connecticut bridges
893
Bridges in Hartford · 19 in Poor condition
ROUTE 175 38.2 t
Connecticut average 44.9 t

Live comparison across Connecticut.

Historical Sufficiency Rating

PlainBridge-computed
82.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
26.7
Essentiality /15
0.5
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
38.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1980
Last Reconstructed
2017
Material
Steel
Number of Spans
1
Structure Length
32.7 m (107 ft)
Deck Width
22.1 m (73 ft)
Owner
State Highway Agency
Avg Daily Traffic
29,700 vehicles/day
Structure Number
04326

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • 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 ROUTE 175 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 ROUTE 175 against other structures in Hartford 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 ROUTE 175?

ROUTE 175 in Hartford, Connecticut has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is ROUTE 175 inspected?

ROUTE 175'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 29,700 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ROUTE 175 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 ROUTE 175?

ROUTE 175 has an NBI inventory load rating of 38.2 metric tons.

Who is responsible for maintaining ROUTE 175?

ROUTE 175 is owned and maintained by State Highway Agency.

How old is ROUTE 175 and does age affect safety?

ROUTE 175 was built in 1980, making it 46 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.