21st Street North over Arkansas River


+37.72322, -97.38279
37°43'24" N, 97°22'58" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:21st Street North over Arkansas River
Structure number:5304008700AR120
Location:21st at Westridge
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:85.0 ft. [25.9 m]
Total length:477.1 ft. [145.4 m]
Roadway width between curbs:59.1 ft. [18.0 m]
Deck width edge-to-edge:73.2 ft. [22.3 m]
Skew angle:45°
Owner:City or Municipal Highway Agency [04]
Year built:1972
Year reconstructed:2009
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:6
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: November 2015 

Status:Open, no restriction [A]
Average daily traffic:14,000 [as of 2006]
Truck traffic:2% of total traffic
Deck condition:Good [7 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:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:79.9 tons [72.6 metric tons]
Inventory rating:47.9 tons [43.5 metric tons]
Sufficiency rating:93.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201593.0Not deficientGoodGoodGood14000
October 201393.0Not deficientGoodGoodGood14000
September 201193.0Not deficientVery GoodGoodGood14000
December 200993.0Not deficientVery GoodGoodGood14000
August 200776.4Not deficientFairSatisfactoryFair14000
August 200539.6Structurally deficientPoorPoorSatisfactory13840
December 200292.8Not deficientFairGoodSatisfactory13530
February 200090.7Structurally deficientPoorGoodSatisfactory13530
February 199793.8Not deficientVery GoodGoodGood13691
January 199595.8Not deficientVery GoodGoodVery Good14038
April 199392.7Not deficientVery GoodGoodVery Good14038
May 199189.5Not deficientVery GoodVery GoodVery Good13810