Facts
- Overview
- Concrete arch bridge over Concord River on MA 3A (Boston Road) in Billerica
- Location
- Middlesex County, Massachusetts
- Status
- Open to traffic
- History
- Built 1920
- Design
- Arch
- Dimensions
-
Length of largest span: 65.0 ft.
Total length: 180.1 ft.
Deck width: 30.2 ft.
- Approximate latitude, longitude
- +42.57417, -71.28111 (decimal degrees)
42°34'27" N, 71°16'52" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 19/312787/4716050 (zone/easting/northing)
- USGS topographic map
- Billerica
- Inventory number
- BH 19358 (Bridgehunter.com ID)
- Inspection (as of 11/2006)
- Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 49.5 (out of 100) - Average daily traffic (as of 2006)
- 22,000