RMP I-20W-I-285CCB over I-285 CBL


+33.76471, -84.49281
33°45'53" N, 84°29'34" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RMP I-20W-I-285CCB over I-285 CBL
Structure number:000000012101880
Purpose:Carries highway over highway
Route classification:Local (Urban) [19]
Length of largest span:126.0 ft. [38.4 m]
Total length:258.9 ft. [78.9 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1965
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:3
Main spans material:Steel [3]
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: July 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:12,590 [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:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:30.7 tons [27.9 metric tons]
Inventory rating:18.8 tons [17.1 metric tons]
Sufficiency rating:68.0
Estimated cost of work:$1,104,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201568.0GoodGoodGoodGoodFO12590
July 201368.0GoodGoodGoodGoodFO12590
July 201168.5GoodGoodGoodGoodFO10280
November 200968.5GoodGoodGoodGoodFO10280
July 200768.5GoodGoodGoodGoodFO10320
August 200576.2GoodGoodGoodGoodFO9800
August 200374.7GoodGoodGoodGood-12500
September 200174.7GoodGoodGoodGood-12500
July 199970.4GoodGoodGoodGoodFO12500
October 199685.0GoodGoodVery GoodGoodFO12500
September 199490.0GoodGoodVery GoodGoodFO12500
August 199290.0GoodGoodGoodGoodFO12500
August 199092.0GoodGoodGoodGoodFO12500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,5541,554000
Steel Protective Coatingsq. ft.20,1970020,1970
Reinforced Concrete Decksq. ft.8,62508,62500
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.6666000
Reinforced Concrete Pier Caplinear ft.6659430
Strip Seal Jointlinear ft.66801741
Pourable Jointlinear ft.6664002
Movable Bearingeach1818000
Steel Protective Coatingsq. ft.1800180
Fixed Bearingeach1818000
Steel Protective Coatingsq. ft.1800180
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.518518000