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US 278 WBL over PALMETTO LAGOON

Map

Coordinates:
+32.18011, -80.72455
32°10'48" N, 80°43'28" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 278 WBL over PALMETTO LAGOON
Structure number:000000000009556
Old structure number:000720027843100 (from 1992 edition)
Location:HILTON HEAD ISLAND
Purpose:Carries highway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:40.0 ft. [12.2 m]
Total length:120.1 ft. [36.6 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Owner:State Highway Agency [01]
Year built:2001
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:3
Main spans material:Prestressed concrete continuous [6]
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: August 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:17,400 [as of 2017]
Truck traffic:4% 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:Superior to present desirable criteria [9]
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]
Sufficiency rating:98.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018GoodGoodGoodGood1740098.4
August 2016GoodGoodGoodGood1695098.4
October 2014GoodGoodGoodGood1845098.3
October 2012GoodGoodGoodGood1970098.2
November 2010GoodGoodVery GoodVery Good1925098.2
November 2008GoodGoodVery GoodVery Good1925098.2
November 2006GoodVery GoodVery GoodVery Good1870098.3
October 2004GoodVery GoodVery GoodVery Good1990098.1
July 1998PoorGoodGoodPoor2290043.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,5202,520000
Deck
Reinforced Concrete Decksq. ft.5,6405,44020000
Substructure
Prestressed Concrete Pileeach2828000
Reinforced Concrete Pier Caplinear ft.188188000
Bearings
Elastomeric Bearingeach44000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2402004000