S-18-19 over POLK SWAMP


+33.08940, -80.52114
33°05'22" N, 80°31'16" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S-18-19 over POLK SWAMP
Structure number:000000000003258
Old structure number:001870001900400 (from 1992 edition)
Location:7.1MI SE ST GEORGE
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:15.1 ft. [4.6 m]
Total length:75.1 ft. [22.9 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:27.6 ft. [8.4 m]
Owner:State Highway Agency [01]
Year built:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:5
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:750 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
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]
Sufficiency rating:57.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$131,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017PoorSatisfactorySatisfactoryPoor75057.9
May 2015PoorSatisfactorySatisfactoryPoor85051.8
May 2013PoorSatisfactorySatisfactoryPoor120050.6
June 2011PoorSatisfactorySatisfactoryPoor100051.7
July 2009PoorSatisfactorySatisfactoryPoor90051.8
April 2007PoorGoodGoodPoor100051.7
January 2005PoorGoodGoodPoor90051.8
January 1999PoorVery GoodVery GoodPoor90053.2
January 1991GoodVery GoodVery GoodVery Good52385.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Columneach3002316
Reinforced Concrete Pier Caplinear ft.165016500
Pourable Jointlinear ft.110011000
Elastomeric Bearingeach60600
Bridge Rail
Other Material Bridge Raillinear ft.150015000
Reinforced Concrete Slabsq. ft.2,0631,1971037630
Wearing Surfacessq. ft.2,0631,96010300