I-285 over CR 1971- CHATT RIV.- RR


+33.80866, -84.49500
33°48'31" N, 84°29'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-285 over CR 1971- CHATT RIV.- RR
Structure number:000000012102420
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:109.9 ft. [33.5 m]
Total length:847.2 ft. [258.2 m]
Roadway width between curbs:131.2 ft. [40.0 m]
Deck width edge-to-edge:134.5 ft. [41.0 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1968
Year reconstructed:1982
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:12
Main spans material:Steel continuous [4]
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: April 2015 

Status:Open, no restriction [A]
Average daily traffic:135,310 [as of 2012]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:37.6 tons [34.2 metric tons]
Inventory rating:22.8 tons [20.7 metric tons]
Sufficiency rating:74.2
Estimated cost of work:$13,087,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201574.2Not deficientGoodGoodSatisfactory135310
May 201374.2Not deficientGoodGoodSatisfactory135310
May 201176.6Not deficientGoodGoodSatisfactory132050
July 200965.0Not deficientGoodGoodSatisfactory151380
July 200764.9Not deficientGoodGoodSatisfactory152920
July 200565.9Not deficientGoodGoodSatisfactory138050
August 200365.9Not deficientGoodGoodGood138300
October 200166.0Not deficientGoodGoodGood135600
October 199956.5Functionally obsoleteSatisfactoryGoodGood174701
October 199684.5Not deficientFairGoodGood174701
November 199478.0Functionally obsoleteFairVery GoodGood174701
November 199278.0Functionally obsoleteFairVery GoodGood174701
November 199080.0Functionally obsoleteFairVery GoodGood174701