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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 

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. ratingEvaluationDeckSuper.Sub.ADT
March 201587.2Not deficientGoodVery GoodVery Good545
March 201399.2Not deficientGoodVery GoodVery Good545
March 201199.5Not deficientGoodVery GoodVery Good360
March 200999.5Not deficientVery GoodVery GoodVery Good360
March 200799.5Not deficientVery GoodVery GoodExcellent335
March 200599.4Not deficientVery GoodVery GoodExcellent425
July 200399.4Not deficientExcellentExcellentExcellent420
March 200199.4Not deficientExcellentExcellentExcellent390
June 199999.4Not deficientExcellentExcellentExcellent390
July 199799.5Not deficientExcellentExcellentExcellent350
July 199597.5Not deficientExcellentExcellentExcellent320
June 199397.5Not deficientExcellentExcellentExcellent320
October 199197.5Not deficientExcellentExcellentExcellent330
July 199131.9Structurally deficientFairFairFair330