SR1147 over I-40


+35.70535, -81.78448
35°42'19" N, 81°47'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR1147 over I-40
Structure number:000000000230095
Location:0.1 MI.N.JCT.SR1142
Purpose:Carries highway overpass over highway
Route classification:Local (Rural) [09]
Length of largest span:53.2 ft. [16.2 m]
Total length:209.0 ft. [63.7 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:31.5 ft. [9.6 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Owner:State Highway Agency [01]
Year built:1956
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:4
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2015 

Status:Open, no restriction [A]
Average daily traffic:1,550 [as of 2012]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:51.9 tons [47.2 metric tons]
Inventory rating:30.9 tons [28.1 metric tons]
Sufficiency rating:74.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201574.6Not deficientFairSatisfactoryFair1550
August 201374.6Not deficientFairSatisfactoryFair1550
August 201174.6Not deficientFairFairFair1200
August 200983.4Not deficientFairSatisfactorySatisfactory1400
July 200783.4Not deficientFairSatisfactorySatisfactory1400
September 200582.2Not deficientFairSatisfactorySatisfactory1500
July 200366.2Not deficientFairGoodFair1200
October 200166.2Not deficientFairGoodFair1000
October 199968.4Not deficientFairGoodFair900
November 199170.9Not deficientSatisfactoryGoodFair500