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Half Viaduct Bridge

Tillamook County, Oregon

Photos 

Looking South

Photo taken by Mike Garland in January 1980

Enlarge

BH Photo #465499

Map 

Description 

Located at MP 40.58.

Facts 

Overview
Reinforced Concrete Deck Girder over Half Viaduct on Us101 (Hwy 9)
Location
Tillamook County, Oregon
Status
Open to traffic
History
Built 1940
Design
Concrete deck girder
Dimensions
Length of largest span: 15.1 ft.
Total length: 120.0 ft.
Deck width: 28.9 ft.
Approximate latitude, longitude
+45.74427, -123.95973   (decimal degrees)
45°44'39" N, 123°57'35" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/425344/5066082 (zone/easting/northing)
Average daily traffic (as of 2017)
4,400
Inventory numbers
OR 01954A (Oregon Dept. of Transportation structure number)
BH 88016 (Bridgehunter.com ID)
Inspection report (as of October 2018)
Overall condition: Good
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 63.4 (out of 100)
View more at BridgeReports.com

Categories 

Built 1940 (1,116)
Built during 1940s (4,234)
Concrete girder (1,075)
Continuous (2,634)
Deck girder (6,310)
Girder (11,181)
 Open (40,971)
Oregon (1,261)
Owned by state (16,567)
Span length under 25 feet (7,093)
Tillamook County, Oregon (51)
Total length 100-125 feet (5,383)

Update Log 

  • February 1, 2020: New photos from Mike Garland

Sources 

  • Mike Garland - Rapier342 [at] comcast [dot] net

Comments 

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