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US 77 over MISSOURI RIVER & RD

Map

Coordinates:
+42.48752, -96.41357
42°29'15" N, 96°24'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 77 over MISSOURI RIVER & RD
Structure number:000000000052811
Location:IN SIOUX CITY
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:424.9 ft. [129.5 m]
Total length:1502.0 ft. [457.8 m]
Roadway width between curbs:63.0 ft. [19.2 m]
Deck width edge-to-edge:67.6 ft. [20.6 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:49.2 ft. [15.0 m]
Owner:State Highway Agency [01]
Year built:1981
Year reconstructed:1983
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:28,400 [as of 2018]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:79.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018FairGoodSatisfactorySatisfactory2840079.7
August 2016FairGoodSatisfactorySatisfactory2740080.2
September 2014FairGoodSatisfactorySatisfactory3070078.6
August 2012FairSatisfactorySatisfactorySatisfactory3120078.4
July 2010FairSatisfactorySatisfactorySatisfactory3130078.3
July 2008FairSatisfactorySatisfactoryGood3090078.5
June 2006FairSatisfactorySatisfactoryGood2920079.3
October 2004FairGoodSatisfactoryGood3190078.1
October 2002FairSatisfactorySatisfactoryGood3000078.9
October 2000FairGoodSatisfactoryGood3020078.8
February 1997FairGoodSatisfactoryVery Good3580078.0
October 1993GoodGoodVery GoodVery Good3120078.0
June 1991GoodVery GoodVery GoodVery Good2820077.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.13,2868,1253,9811,1800
Steel Protective Coatingsq. ft.233,83546,19068,084112,4927,069
Steel Stringerlinear ft.4,1604,05882200
Steel Protective Coatingsq. ft.32,03228,4242,9726360
Deck
Reinforced Concrete Decksq. ft.131,62699,88230,1801,5640
Wearing Surfacessq. ft.111,205108,3242,88100
Superstructure
Steel Archlinear ft.8500804460
Steel Protective Coatingsq. ft.31,15014,52216,1794490
Steel Secondary Cableeach2202200
Steel Floor Beamlinear ft.890376494200
Steel Protective Coatingsq. ft.17,8834,8652,87510,1430
Substructure
Reinforced Concrete Columneach1101010
Reinforced Concrete Pier Walllinear ft.72551700
Reinforced Concrete Abutmentlinear ft.20711967210
Reinforced Concrete Pier Caplinear ft.60848696260
Joints
Strip Seal Jointlinear ft.1850751100
Compression Jointlinear ft.1300271030
Assembly without Seal Jointlinear ft.130130000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3,0162,839160152
Steel Protective Coatingsq. ft.7,9707,24472600
Reinforced Concrete Bridge Raillinear ft.3,4892,2411,1441040