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N7 over CALAMUS RIVER

Map 

Coordinates:
+42.18203, -99.87164
42°10'55" N, 99°52'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:N7 over CALAMUS RIVER
Structure number:S007 01774
Location:26S AINSWORTH
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:30.8 ft. [9.4 m]
Total length:92.9 ft. [28.3 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:38.4 ft. [11.7 m]
Owner:State Highway Agency [01]
Year built: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:Prestressed concrete [5]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2015 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:545 [as of 2012]
Truck traffic:17% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:93.8 tons [85.3 metric tons]
Inventory rating:55.9 tons [50.8 metric tons]
Sufficiency rating:87.2

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201587.2GoodGoodVery GoodVery Good-545
March 201399.2GoodGoodVery GoodVery Good-545
March 201199.5GoodGoodVery GoodVery Good-360
March 200999.5GoodVery GoodVery GoodVery Good-360
March 200799.5GoodVery GoodVery GoodExcellent-335
March 200599.4GoodVery GoodVery GoodExcellent-425
July 200399.4GoodExcellentExcellentExcellent-420
March 200199.4GoodExcellentExcellentExcellent-390
June 199999.4GoodExcellentExcellentExcellent-390
July 199799.5GoodExcellentExcellentExcellent-350
July 199597.5GoodExcellentExcellentExcellent-320
June 199397.5GoodExcellentExcellentExcellent-320
October 199197.5GoodExcellentExcellentExcellent-330
July 199131.9FairFairFairFairSD330