Facts
- Overview
- Steel through arch bridge over Merrimack River on MA 113/MA 3A in Tyngsborough
- Location
- Middlesex County, Massachusetts
- Status
- Open to traffic
- History
- Built 1930; rehabilitated 1975
- Design
- Steel through arch
- Dimensions
-
Length of largest span: 546.9 ft.
Total length: 566.0 ft.
Deck width: 29.9 ft.
Vertical clearance above deck: 12.2 ft.
- Recognition
- Eligible for the National Register of Historic Places
- Approximate latitude, longitude
- +42.67583, -71.42167 (decimal degrees)
42°40'33" N, 71°25'18" W (degrees°minutes'seconds") - Inventory number
- BH 19383 (Bridgehunter.com ID)
- Inspection (as of 08/2005)
- Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 2.0 (out of 100) - Average daily traffic (as of 2001)
- 22,300