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I-80 over DRAINAGE DITCH

Map

Coordinates:
+41.63367, -90.95499
41°38'01" N, 90°57'18" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-80 over DRAINAGE DITCH
Structure number:000000000018720
Location:0.7 mi. W of Jct. SR Y26
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:12.1 ft. [3.7 m]
Total length:24.9 ft. [7.6 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1960
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:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:33,600 [as of 2015]
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:99.6 tons [90.5 metric tons]
Inventory rating:97.1 tons [88.3 metric tons]
Sufficiency rating:79.2

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
August 201679.2Fair6 out of 10-33600
August 201479.4Fair6 out of 10-31800
August 201279.5Fair6 out of 10-31100
November 201079.6Fair6 out of 10-29900
November 200879.6Fair6 out of 10-29500
December 200679.5Fair6 out of 10-30800
November 200479.4Fair6 out of 10-31700
October 200179.6Fair6 out of 10-29600
July 199981.3Fair6 out of 10-29000
June 199781.4Fair6 out of 10-28700
November 199580.7Fair6 out of 10-25000
August 199381.0Good7 out of 10-21800
December 199181.1Fair6 out of 10-20800

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Culvert
Reinforced Concrete Culvertlinear ft.40850103480