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SR 23 over N PRONG ST MARY'S RIVER

Map 

Coordinates:
+30.36213, -82.13419
30°21'44" N, 82°08'03" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SR 23 over N PRONG ST MARY'S RIVER
Structure number:000000004900120
Location:AT THE FLORIDA STATE LINE
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:68.9 ft. [21.0 m]
Total length:219.2 ft. [66.8 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Owner:State Highway Agency [01]
Year built:1955
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:5
Main spans material:Steel continuous [4]
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: July 2015 

Status:Open, no restriction [A]
Average daily traffic:2,470 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:61.4 tons [55.8 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Sufficiency rating:72.8
Estimated cost of work:$1,284,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201572.8Not deficientSatisfactorySatisfactoryFair2470
July 201372.8Not deficientSatisfactorySatisfactoryFair2470
July 201175.0Not deficientGoodSatisfactoryFair2360
June 200963.3Functionally obsoleteGoodGoodFair3300
May 200763.3Functionally obsoleteGoodGoodFair3300
June 200563.6Functionally obsoleteGoodGoodFair3100
June 200375.7Functionally obsoleteGoodGoodSatisfactory3000
August 200175.9Functionally obsoleteGoodGoodSatisfactory2800
October 199982.9Functionally obsoleteGoodGoodSatisfactory2500
February 199783.2Functionally obsoleteGoodGoodSatisfactory2300
February 199584.1Functionally obsoleteGoodGoodSatisfactory2300
January 199387.6Not deficientGoodGoodSatisfactory1970
January 199187.7Not deficientGoodGoodSatisfactory1940