US74 WBL over SR1166


+35.42506, -83.41981
35°25'30" N, 83°25'11" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US74 WBL over SR1166
Structure number:000000001730019
Old structure number:000000001730018 (from 1992 edition)
Location:1 MI.E.JCT.SR1159
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:83.0 ft. [25.3 m]
Total length:173.9 ft. [53.0 m]
Roadway width between curbs:39.4 ft. [12.0 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:35°
Owner:State Highway Agency [01]
Year built:1978
Year reconstructed:2013
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 9 / H 10 [1]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,500 [as of 2015]
Truck traffic:14% 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:Better than present minimum criteria [7]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:96.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairGoodSatisfactoryGood650096.4
September 2017GoodGoodGoodGood650098.4
September 2015GoodGoodGoodGood650095.4
September 2013GoodGoodGoodGood650096.4
September 2011FairFairGoodGood550095.5
September 2009FairFairGoodGood550095.5
November 2007FairSatisfactoryGoodGood550098.5
December 2005FairSatisfactoryGoodGood550098.5
October 2003FairSatisfactoryGoodGood600098.4
November 2001GoodGoodGoodGood550096.5
October 1999GoodGoodGoodGood550096.5
April 1990FairSatisfactoryVery GoodVery Good335097.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,03853150610
Steel Protective Coatingsq. ft.10,75210,246080426
Reinforced Concrete Decksq. ft.7,4087,3792630
Reinforced Concrete Columneach64020
Reinforced Concrete Abutmentlinear ft.106106000
Reinforced Concrete Pile Cap/Footinglinear ft.7171000
Steel Pileeach1010000
Reinforced Concrete Pier Caplinear ft.2201972210
Compression Jointlinear ft.208198532
Movable Bearingeach2424000
Steel Protective Coatingsq. ft.2424000
Fixed Bearingeach1211100
Steel Protective Coatingsq. ft.1211010
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3503083660