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S-7-30 over MYRTLE ISLAND CREEK

Map

Coordinates:
+32.21429, -80.86135
32°12'51" N, 80°51'41" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S-7-30 over MYRTLE ISLAND CREEK
Structure number:000000000001678
Old structure number:000770003000100 (from 1992 edition)
Location:7 MI NW HILTON HEAD
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:29.9 ft. [9.1 m]
Total length:89.9 ft. [27.4 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Owner:State Highway Agency [01]
Year built:1996
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:210 [as of 2017]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:83.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairFairFairGood21083.0
August 2015FairFairFairGood21075.6
August 2013FairSatisfactorySatisfactoryGood21087.9
September 2011GoodGoodGoodGood21087.9
October 2009GoodGoodGoodGood19388.1
November 2007GoodGoodGoodGood18488.2
September 2005GoodVery GoodVery GoodVery Good12088.8
June 1999GoodVery GoodVery GoodVery Good7089.3
September 1991FairGoodSatisfactoryFair6052.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Prestressed Concrete Columneach2002000
Reinforced Concrete Pier Caplinear ft.124012400
Bearings
Elastomeric Bearingeach40400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.180018000
Deck
Reinforced Concrete Slabsq. ft.2,78101,7521,0290