NB I-29 over BNSF RR & MAIN ST


+40.58744, -95.65810
40°35'15" N, 95°39'29" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NB I-29 over BNSF RR & MAIN ST
Structure number:000000000600010
Location:0.4 MI. N OF MO ST. LINE
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:102.0 ft. [31.1 m]
Total length:371.1 ft. [113.1 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.3 ft. [13.2 m]
Vertical clearance below bridge:23.3 ft. [7.1 m]
Skew angle:47°
Owner:State Highway Agency [01]
Year built:1972
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:4
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: July 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,500 [as of 2014]
Truck traffic:34% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 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]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:55.6 tons [50.5 metric tons]
Inventory rating:33.3 tons [30.3 metric tons]
Sufficiency rating:84.3

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201584.3FairSatisfactoryFairFair-6500
July 201384.4FairSatisfactoryFairFair-5700
July 201184.4FairSatisfactoryFairFair-6000
September 200984.2FairSatisfactoryFairFair-5700
September 200784.5FairSatisfactoryFairFair-5000
November 200584.5FairSatisfactoryFairFair-5700
September 200584.5FairSatisfactoryFairFair-5700
November 200384.5FairSatisfactorySatisfactoryFair-5550
October 200195.6FairGoodSatisfactorySatisfactory-5350
February 199995.9FairGoodSatisfactorySatisfactory-4650
September 199795.8FairGoodSatisfactorySatisfactory-4900
August 199595.8FairGoodSatisfactorySatisfactory-4800
October 199395.2FairGoodSatisfactoryGood-4550
July 199169.5PoorSatisfactoryPoorGoodSD4450

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,8251,7735200
Steel Protective Coatingsq. ft.23,27523,275000
Reinforced Concrete Decksq. ft.16,10216,03455130
Wearing Surfacessq. ft.14,84014,68016000
Reinforced Concrete Columneach98100
Reinforced Concrete Abutmentlinear ft.1253754340
Reinforced Concrete Pier Caplinear ft.180180000
Movable Bearingeach2002000
Fixed Bearingeach50500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.74249424710