IA 64 & 136 over LITTLE BEAR CREEK


+42.05889, -91.00815
42°03'32" N, 91°00'29" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IA 64 & 136 over LITTLE BEAR CREEK
Structure number:000000000032471
Location:0.2 mi. E of W Jct IA 136
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:39.0 ft. [11.9 m]
Total length:103.0 ft. [31.4 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,340 [as of 2015]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:92.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2016FairSatisfactorySatisfactoryGood234092.0
November 2014FairSatisfactorySatisfactoryGood232087.1
November 2012FairSatisfactorySatisfactoryGood237087.0
November 2010GoodGoodGoodVery Good238084.9
November 2008GoodGoodGoodVery Good253084.6
November 2006GoodGoodGoodVery Good270084.2
December 2004GoodGoodGoodVery Good297071.3
October 2002GoodGoodGoodVery Good299071.2
November 2000GoodGoodGoodVery Good328070.5
October 1998GoodGoodGoodVery Good342068.1
August 1996GoodGoodGoodVery Good365067.5
December 1994GoodGoodGoodVery Good347067.9
December 1992GoodGoodGoodVery Good288069.5
November 1990GoodGoodGoodVery Good278069.7

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Abutmentlinear ft.9797000
Steel Pileeach1818000
Reinforced Concrete Pier Caplinear ft.9292000
Pourable Jointlinear ft.8808800
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.191187400
Steel Protective Coatingsq. ft.162162000
Reinforced Concrete Bridge Raillinear ft.206200600
Reinforced Concrete Slabsq. ft.4,6254,351186880