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BLACK ISLE ROAD over BLACK ISLE CREEK

Map

Coordinates:
+31.36956, -81.41194
31°22'10" N, 81°24'43" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BLACK ISLE ROAD over BLACK ISLE CREEK
Structure number:000000019150110
Location:CITY LIMITS OF DARIEN
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:20.0 ft. [6.1 m]
Total length:180.1 ft. [54.9 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Owner:County Highway Agency [02]
Year built:2008
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:9
Main spans material:Concrete [1]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:150 [as of 2011]
Truck traffic:1% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:78.7
Estimated cost of work:$1,055,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018GoodVery GoodVery GoodGood15078.7
May 2016GoodVery GoodVery GoodGood15078.7
April 2014GoodVery GoodVery GoodVery Good15078.7
May 2012GoodVery GoodVery GoodVery Good15078.7
April 2010GoodVery GoodVery GoodVery Good1085.4
May 2008GoodVery GoodVery GoodVery Good1085.4
February 2008GoodVery GoodVery GoodVery Good1085.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Abutmentlinear ft.3030000
Prestressed Concrete Pileeach48331500
Reinforced Concrete Pier Caplinear ft.216216000
Joints
Pourable Jointlinear ft.260260000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.360354600
Deck
Reinforced Concrete Slabsq. ft.4,8244,824000