Share: 
US101 (HWY 9) over Half Viaduct
Map
Coordinates:
+45.74427, -123.95973
45°44'39" N, 123°57'35" W
+45.74427, -123.95973
45°44'39" N, 123°57'35" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
| Name: | US101 (HWY 9) over Half Viaduct |
| Structure number: | 01954A 009 4066 |
| Location: | 015 MI S SHORT SANDS BCH |
| Route classification: | Principal Arterial - Other (Rural) [02] |
| Length of largest span: | 15.1 ft. [4.6 m] |
| Total length: | 44.9 ft. [13.7 m] |
| Roadway width between curbs: | 28.9 ft. [8.8 m] |
| Deck width edge-to-edge: | 23.6 ft. [7.2 m] |
| Owner: | State Highway Agency [01] |
| Year built: | 1940 |
| Historic significance: | Bridge is eligible for the National Register of Historic Places [2] |
| Design load: | M 13.5 / H 15 [2] |
| Number of main spans: | 3 |
| Main spans material: | Concrete continuous [2] |
| Main spans design: | Tee beam [04] |
| Deck type: | Concrete Cast-in-Place [1] |
| Wearing surface: | Bituminous [6] |
Latest Available Inspection: October 2018
| Good/Fair/Poor Condition: | Good |
| Status: | Open, no restriction [A] |
| Average daily traffic: | 4,400 [as of 2017] |
| Truck traffic: | 16% of total traffic |
| Deck condition: | Good [7 out of 9] |
| Superstructure condition: | Good [7 out of 9] |
| Substructure condition: | Good [7 out of 9] |
| Structural appraisal: | Better than present minimum criteria [7] |
| Deck geometry appraisal: | Meets minimum tolerable limits to be left in place as is [4] |
| Roadway alignment appraisal: | Equal to present desirable criteria [8] |
| Scour condition: | Bridge not over waterway. [N] |
| Sufficiency rating: | 63.4 |
Previous Inspections
| Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
|---|---|---|---|---|---|---|
| October 2018 | Good | Good | Good | Good | 4400 | 63.4 |
| October 2016 | Good | Good | Good | Good | 3500 | 65.9 |
| October 2014 | Good | Good | Good | Good | 3700 | 65.3 |
| October 2012 | Good | Good | Good | Good | 3700 | 65.3 |
| October 2010 | Good | Good | Good | Good | 4200 | 64.0 |
| October 2008 | Good | Good | Good | Good | 4200 | 66.9 |
| October 2006 | Good | Good | Good | Good | 4900 | 64.0 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
| Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
|---|---|---|---|---|---|---|
| Superstructure | ||||||
| Reinforced Concrete Girder/Beam | linear ft. | 90 | 90 | 0 | 0 | 0 |
| Deck | ||||||
| Reinforced Concrete Top Flange | sq. ft. | 930 | 930 | 0 | 0 | 0 |
| Wearing Surfaces | sq. ft. | 675 | 675 | 0 | 0 | 0 |
| Substructure | ||||||
| Other Material Column | each | 4 | 4 | 0 | 0 | 0 |
| Reinforced Concrete Column | each | 4 | 4 | 0 | 0 | 0 |
| Reinforced Concrete Abutment | linear ft. | 47 | 47 | 0 | 0 | 0 |
| Joints | ||||||
| Other Joint | linear ft. | 22 | 22 | 0 | 0 | 0 |
| Bearings | ||||||
| Movable Bearing | each | 2 | 2 | 0 | 0 | 0 |
| Bridge Rail | ||||||
| Masonry Bridge Rail | linear ft. | 45 | 45 | 0 | 0 | 0 |
© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1448213
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1448213