INTERSTATE-84
INTERSTATE-84 in 1 MI East Of I-91, Hartford County, Connecticut received a condition grade of D (21/100). Built in 1906, the bridge carries 135K vehicles daily on INTERSTATE-84 over Connecticut River. It is classified as structurally deficient.
INTERSTATE-84 carries a D on the BridgeSafety Condition Score with 21/100. One or more primary components is rated in fair-to-poor condition; the bridge typically appears in state transportation plans for rehabilitation or replacement within the next funding cycle.
The bridge was built in 1906, making it 120 years old — well beyond the typical 50-year design life of bridges constructed in that era. Bridges of this vintage usually need substantial rehabilitation or replacement once their original components have aged out, regardless of current condition ratings. INTERSTATE-84 carries an average daily traffic count of 135,200 vehicles, with 8 lane(s) crossing Connecticut River. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
INTERSTATE-84 is a 120-year-old bridge located 1 MI East Of I-91 in Hartford County, Connecticut. The bridge carries INTERSTATE-84 over Connecticut River with 8 traffic lanes, handling approximately 135K vehicles per day. Built in 1906 and reconstructed in 1964, the structure spans 327.7 meters.
The bridge received a Condition Grade of D (21/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 6/9 (fair), and substructure 5/9 (fair). The bridge is classified as structurally deficient, meaning at least one major component is rated 4 or below, this signals a need for repair or replacement but does not necessarily indicate an immediate safety hazard.
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
INTERSTATE-84 has a Condition Score of 21/100 (Grade D). Its deck is rated 0/9, superstructure 6/9, and substructure 5/9 on the NBI scale. The bridge is classified as structurally deficient.
INTERSTATE-84 was built in 1906 and reconstructed in 1964, making it 120 years old. The average bridge age in the United States is 48 years.
INTERSTATE-84 carries approximately 135K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 327.7 meters long and located on INTERSTATE-84 in 1 MI East Of I-91, Hartford County, Connecticut.
Yes, INTERSTATE-84 is classified as structurally deficient because at least one of its primary components (deck, superstructure, or substructure) is rated 4 or below on the 0-9 NBI scale. This does not necessarily mean it is unsafe, but it requires significant repair or replacement.
INTERSTATE-84 is located 1 MI East Of I-91 in Hartford County, Connecticut. The bridge carries INTERSTATE-84 over Connecticut River. Its coordinates are 41.769511, -72.665522. It is maintained by State Highway Agency.
INTERSTATE-84 carries INTERSTATE-84 over Connecticut River. The bridge is 327.7 meters long and was built in 1906, with reconstruction in 1964.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.