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250 STREET over E NISHNABOTNA RIVER

Map

Coordinates:
+40.68611, -95.57778
40°41'10" N, 95°34'40" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:250 STREET over E NISHNABOTNA RIVER
Structure number:000000000025461
Location:068412901
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:82.0 ft. [25.0 m]
Total length:321.9 ft. [98.1 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Skew angle:36°
Owner:County Highway Agency [02]
Year built:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,190 [as of 2012]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:81.3 tons [73.9 metric tons]
Inventory rating:33.9 tons [30.8 metric tons]
Sufficiency rating:89.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201589.7FairSatisfactoryGoodGood-1190
May 201389.7FairSatisfactoryGoodGood-1190
May 201184.6GoodGoodGoodGood-1190
May 200984.4GoodGoodGoodGood-1190
April 200784.6GoodGoodGoodGood-1180
February 200584.6GoodGoodGoodGood-1180
January 200384.8GoodGoodGoodGood-1100
April 200184.8GoodGoodGoodGood-1100
April 199986.0GoodGoodVery GoodGood-1000
June 199776.2GoodGoodVery GoodGood-1000
March 199575.1GoodVery GoodVery GoodGood-920
April 199375.1GoodVery GoodVery GoodGood-920
February 199166.3GoodVery GoodVery GoodGood-890