+30.27306, -81.73361
30°16'23" N, 81°44'01" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR-21 NB over CEDAR RIVER
Structure number:720326
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:33.1 ft. [10.1 m]
Total length:660.1 ft. [201.2 m]
Roadway width between curbs:51.2 ft. [15.6 m]
Deck width edge-to-edge:54.5 ft. [16.6 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:2002
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:20
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2015 

Status:Open, no restriction [A]
Average daily traffic:17,476 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
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]
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:72.8 tons [66.2 metric tons]
Inventory rating:52.8 tons [48.0 metric tons]
Sufficiency rating:98.4
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$2,310,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201598.4Not deficientGoodGoodSatisfactory17476
March 201398.3Not deficientGoodGoodSatisfactory17883
March 201198.3Not deficientGoodGoodSatisfactory18541
March 200981.9Not deficientGoodGoodSatisfactory18081
March 200781.9Not deficientGoodGoodSatisfactory18310
March 200581.7Not deficientGoodGoodSatisfactory20250
March 200382.9Not deficientGoodVery GoodSatisfactory19750
July 200178.9Not deficientGoodVery GoodGood19588
July 199981.7Not deficientGoodVery GoodGood21500
July 199780.7Not deficientGoodVery GoodGood19975
August 199575.9Functionally obsoleteGoodVery GoodGood21500
August 199378.1Not deficientGoodVery GoodGood19877
September 199178.2Not deficientGoodVery GoodGood19274