Map 

Facts 

Note: The following information comes from the National Bridge Inventory and has not been verified.
Overview
Steel arch bridge over Charles River on MA 28 in Boston
Status
Open to traffic
History
Built 1906; rehabilitated 1975
Design
Steel arch
Dimensions
Length of largest span: 18.0 ft.
Total length: 116.1 ft.
Deck width: 65.0 ft.
Approximate latitude, longitude
+42.36139, -71.07583   (decimal degrees)
42°21'41" N, 71°04'33" W   (degrees°minutes'seconds")
Approximate UTM coordinates
19/329057/4691989 (zone/easting/northing)
USGS topographic map
Boston South
Inventory number
BH 19446 (Bridgehunter.com ID)
Inspection (as of 02/2008)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 21.5 (out of 100)
Average daily traffic (as of 1997)
49,500