US 3
US 3 in 0.25 MI S Rt 3 & Rt 110, Middlesex County, Massachusetts received a condition grade of F (0/100). Built in 1959, the bridge carries 126K vehicles daily on US 3 over Water River Meadow Brk. It is classified as structurally deficient.
US 3 carries an F on the BridgeSafety Condition Score with 0/100 — the bottom tier of the FHWA NBI distribution. Component ratings flag the structure for near-term rehabilitation or replacement; the bridge may remain open to traffic but is on the priority list for action.
The bridge was built in 1959 and is now 67 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. US 3 carries an average daily traffic count of 126,338 vehicles, with 12 lane(s) crossing Water River Meadow Brk. 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
US 3 is a 67-year-old bridge located 0.25 MI S Rt 3 & Rt 110 in Middlesex County, Massachusetts. The bridge carries US 3 over Water River Meadow Brk with 12 traffic lanes, handling approximately 126K vehicles per day. Built in 1959 and reconstructed in 2004, the structure spans 12.8 meters.
The bridge received a Condition Grade of F (0/100) based on Federal Highway Administration inspection data. Its deck is rated 0/9 (serious), superstructure 0/9 (serious), and substructure 0/9 (serious). 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
US 3 has a Condition Score of 0/100 (Grade F). Its deck is rated 0/9, superstructure 0/9, and substructure 0/9 on the NBI scale. The bridge is classified as structurally deficient.
US 3 was built in 1959 and reconstructed in 2004, making it 67 years old. The average bridge age in the United States is 48 years.
US 3 carries approximately 126K vehicles per day (average daily traffic). The bridge has 12 traffic lanes. It is 12.8 meters long and located on US 3 in 0.25 MI S Rt 3 & Rt 110, Middlesex County, Massachusetts.
Yes, US 3 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.
US 3 is located 0.25 MI S Rt 3 & Rt 110 in Middlesex County, Massachusetts. The bridge carries US 3 over Water River Meadow Brk. Its coordinates are 42.611889, -71.327669. It is maintained by State Highway Agency.
US 3 carries US 3 over Water River Meadow Brk. The bridge is 12.8 meters long and was built in 1959, with reconstruction in 2004.
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.