+42.06111, -91.63333
42°03'40" N, 91°37'60" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Structure number:000000000018700
Location:2.9 mi. E of E Jct. IA 38
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:18.0 ft. [5.5 m]
Total length:49.9 ft. [15.2 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1959
Year reconstructed:1991
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:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: October 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:32,400 [as of 2014]
Truck traffic:36% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:48.3 tons [43.9 metric tons]
Inventory rating:35.5 tons [32.3 metric tons]
Sufficiency rating:79.3

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
October 201579.3Fair6 out of 10-32400
October 201383.0Fair6 out of 10-31600
October 201183.0Fair6 out of 10-31100
November 200982.9Fair6 out of 10-29500
December 200783.0Fair6 out of 10-31500
December 200583.0Fair6 out of 10-30900
December 200383.0Fair6 out of 10-31400
October 200183.0Fair6 out of 10-29600
December 199983.0Fair6 out of 10-29000
June 199783.0Fair6 out of 10-28700
September 199583.0Fair6 out of 10-25000
December 199383.0Fair6 out of 10-21800
December 199183.0Fair6 out of 10-20800

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Culvertlinear ft.4994306900