Share:

Tweedle Rd. over Twombly Creek

Map

Coordinates:
+45.89636, -123.55406
45°53'47" N, 123°33'15" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Tweedle Rd. over Twombly Creek
Structure number:22501 000 00000
Location:60 MI E OF JEWEL
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:60.0 ft. [18.3 m]
Total length:60.0 ft. [18.3 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:24.9 ft. [7.6 m]
Owner:County Highway Agency [02]
Year built:2009
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Steel plate (includes orthotropic) [5]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:176 [as of 2010]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 assessed or calculated scour conditions; field review indicates action is required. [4]
Sufficiency rating:91.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairGoodSatisfactoryGood17691.5
July 2016FairGoodSatisfactoryGood17691.5
January 2016GoodVery GoodVery GoodVery Good17694.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.3600324360
Steel Protective Coatingsq. ft.3,6002,520720180180
Substructure
Reinforced Concrete Abutmentlinear ft.5049100
Deck
Corrugated or Orthotropic Decksq. ft.1,5001,500000
Wearing Surfacessq. ft.1,5001,500000
Steel Protective Coatingsq. ft.4,5004,500000
Joints
Other Jointlinear ft.4040000
Bearings
Elastomeric Bearingeach1212000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.120116040
Steel Protective Coatingsq. ft.526526000