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I-75 (NBL) over ETOWAH RIVER

Map

Coordinates:
+34.16034, -84.75391
34°09'37" N, 84°45'14" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 (NBL) over ETOWAH RIVER
Structure number:000000001500850
Location:2.6 MI E OF CARTERSVILLE
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:89.9 ft. [27.4 m]
Total length:600.1 ft. [182.9 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:62.3 ft. [19.0 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1977
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:8
Main spans material:Prestressed concrete [5]
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: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:78,730 [as of 2011]
Truck traffic:1% 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:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:63.4 tons [57.6 metric tons]
Inventory rating:30.7 tons [27.9 metric tons]
Sufficiency rating:91.1
Estimated cost of work:$4,476,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201691.1GoodGoodGoodGood-78730
October 201491.1GoodGoodGoodGood-78730
October 201291.1FairGoodGoodSatisfactory-78730
October 201090.8FairGoodGoodSatisfactory-83450
October 200890.8FairGoodVery GoodSatisfactory-83450
August 200693.2FairGoodVery GoodSatisfactory-85900
October 200492.7GoodGoodVery GoodGood-95370
September 200294.5GoodGoodVery GoodGood-74900
August 200095.1GoodGoodVery GoodGood-61800
September 199895.1GoodVery GoodVery GoodGood-61800
August 199695.1GoodVery GoodVery GoodGood-61800
June 199493.4GoodVery GoodVery GoodVery Good-61800
September 199293.6GoodVery GoodVery GoodVery Good-58760
January 199193.6GoodVery GoodVery GoodVery Good-58760

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.4,5604,560000
Deck
Reinforced Concrete Decksq. ft.37,43937,439000
Substructure
Reinforced Concrete Columneach2828000
Reinforced Concrete Abutmentlinear ft.174174000
Reinforced Concrete Pier Caplinear ft.609609000
Joints
Pourable Jointlinear ft.765007650
Bearings
Elastomeric Bearingeach120120000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,2001,200000
Coatings
Wearing Surfacessq. ft.3,6003,600000