FHWA NBI 2024 Inspection record Public-domain dataset

ROUTE 75

Carrying ROUTE 75 over STONY BROOK

0.8 MI SOUTH OF ROUTE 168, Hartford, Connecticut

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
24 t Inventory load rating

Bridge Snapshot: ROUTE 75

The ROUTE 75 bridge in Hartford, Connecticut carries ROUTE 75 over STONY BROOK. It was built in 1956, making it 70 years old today. It was last reconstructed in 1986, extending its service life. The structure is built primarily of steel and spans 4 sections, stretching 56.4 meters (185 feet) end to end. Daily traffic averages 8,100 vehicles, placing it in the moderately-trafficked tier of Connecticut bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure 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 23.7 metric tons.

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

How ROUTE 75 compares

▼ 21.2
Load rating vs Connecticut average (44.9 t)
Bottom 5%
Lower load rating than 95% of Connecticut bridges
893
Bridges in Hartford · 19 in Poor condition
ROUTE 75 23.7 t
Connecticut average 44.9 t

Live comparison across Connecticut.

Historical Sufficiency Rating

PlainBridge-computed
72.7 / 100 - historical 50–79.9 band
Structural adequacy /55
36.6
Serviceability /30
28.0
Essentiality /15
10.0
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
23.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1956
Last Reconstructed
1986
Material
Steel
Number of Spans
4
Structure Length
56.4 m (185 ft)
Deck Width
13.9 m (46 ft)
Owner
State Highway Agency
Avg Daily Traffic
8,100 vehicles/day
Structure Number
01123

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether ROUTE 75 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 75 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 75?

ROUTE 75 in Hartford, Connecticut has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is ROUTE 75 inspected?

ROUTE 75'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 8,100 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ROUTE 75 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 ROUTE 75?

ROUTE 75 has an NBI inventory load rating of 23.7 metric tons.

Who is responsible for maintaining ROUTE 75?

ROUTE 75 is owned and maintained by State Highway Agency.

How old is ROUTE 75 and does age affect safety?

ROUTE 75 was built in 1956, making it 70 years old and last reconstructed in 1986.

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.