Share:

INTERSTATE 29 over ANTELOPE CREEK

Map 

Coordinates:
+46.27502, -96.83334
46°16'30" N, 96°50'00" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:INTERSTATE 29 over ANTELOPE CREEK
Structure number:0029023510 L
Location:1 NORTH ND 13
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:49.9 ft. [15.2 m]
Total length:149.9 ft. [45.7 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Owner:State Highway Agency [01]
Year built:1973
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2015 

Status:Open, no restriction [A]
Average daily traffic:2,550 [as of 2015]
Truck traffic:22% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Very Good [8 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:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:81.2 tons [73.8 metric tons]
Inventory rating:38.6 tons [35.1 metric tons]
Sufficiency rating:84.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201584.4Not deficientSatisfactoryVery GoodFair2550
September 201384.4Not deficientSatisfactoryVery GoodFair2550
December 201195.7Not deficientGoodVery GoodGood2550
April 201095.7Not deficientGoodVery GoodGood2550
March 201095.7Not deficientGoodVery GoodGood2550
November 200795.7Not deficientGoodVery GoodGood2550
October 200595.7Not deficientGoodVery GoodGood2550
November 200395.7Not deficientGoodVery GoodGood2550
November 200195.7Not deficientSatisfactoryVery GoodGood2550
October 199995.6Not deficientSatisfactoryVery GoodGood2650
November 199795.7Not deficientGoodVery GoodGood2550
February 199686.1Not deficientGoodVery GoodGood2055
March 199484.4Not deficientGoodVery GoodGood1770
December 199184.8Not deficientGoodVery GoodGood1350