Overview: Stringer bridge over Tide Creek on U.S. 30 Frontage Road
Location: Columbia County, Oregon
Status: Open to traffic
History: Built 1920
Builder: Conde B. McCullough of Redfield, South Dakota (Bridge Engineer)
Design: Stringer
Length of largest span: 29.9 ft.
Total length: 90.9 ft.
Deck width: 19.4 ft.
Structure number: 00338 02WF03647
Location: 10.0 MI SE RAINIER
Purpose: Carries highway over waterway
Route classification: Major Collector (Rural) [07]
Deck width edge-to-edge: 22.6 ft. [6.9 m]
Owner: State Highway Agency [01]
Year built: 1920
Historic significance: Historical significance is not determinable at this time [4]
Design load: M 13.5 / H 15 [2]
Number of main spans: 3
Main spans material: Concrete continuous [2]
Main spans design: Girder and floorbeam system [03]
Deck type: Concrete Cast-in-Place [1]
Wearing surface: Bituminous [6]
Good/Fair/Poor Condition: Fair
Status: Open, no restriction [A]
Average daily traffic: 8,300 [as of 2016]
Truck traffic: 9% of total traffic
Deck condition: Satisfactory [6 out of 9]
Superstructure condition: Satisfactory [6 out of 9]
Substructure condition: Satisfactory [6 out of 9]
Structural appraisal: Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal: Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal: Equal to present desirable criteria [8]
Roadway alignment appraisal: Equal to present desirable criteria [8]
Channel protection: Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition: Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating: 51.2
Recommended work: Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work: $461,000