West Plymouth Street Bridge

Map 

Street Views 

Facts 

Overview

Polygonal Warren through truss bridge over Boise River on STC 7787

Location

Caldwell, Canyon County, Idaho

Status

Open to traffic

Future prospects

http://www.canyonhd4.org/highway-30-bridge.php

History

Built 1922

Builders

- American Bridge Co. of New York (Contractor)
- F. H. McConnel of Caldwell, Idaho (Design)

Design

Three span polygonal Warren through truss with riveted connections.

Dimensions

Length of largest span: 128.0 ft.
Total length: 388.1 ft.
Deck width: 19.4 ft.
Vertical clearance above deck: 14.3 ft.

Also called

Boise River Greenway - Plymouth Street Bridge (Future Name)

Approximate latitude, longitude

+43.68886, -116.68745   (decimal degrees)
43°41'20" N, 116°41'15" W   (degrees°minutes'seconds")

Approximate UTM coordinates

11/525189/4837363 (zone/easting/northing)

Quadrangle map:

Caldwell

Inventory numbers

ID 26725 (Idaho bridge number)
BH 14854 (Bridgehunter.com ID)

Inspection (as of 09/2015)

Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 45.7 (out of 100)

Average daily traffic (as of 2014)

1,500

Categories 

Update Log 

• May 9, 2016: Updated by Luke: Added builder, noted that the bridge is being replaced, but will remain intact as a pedestrian bridge.
• July 13, 2010: Updated by Nathan Holth: Updated GPS, Bridge Type, Street View

Related Bridges 

• Idaho-Pacific Highway Caldwell Bridge (Predecessor)

Sources 

• Nathan Holth
• Luke

Comments