SR 61 NBL over I-20


+33.72216, -84.93940
33°43'20" N, 84°56'22" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 61 NBL over I-20
Structure number:000000004500330
Purpose:Carries highway over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:101.1 ft. [30.8 m]
Total length:327.1 ft. [99.7 m]
Roadway width between curbs:40.7 ft. [12.4 m]
Deck width edge-to-edge:44.6 ft. [13.6 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1976
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:4
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: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,730 [as of 2011]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:35.6 tons [32.4 metric tons]
Inventory rating:20.8 tons [18.9 metric tons]
Sufficiency rating:78.7
Estimated cost of work:$1,916,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201678.7FairSatisfactorySatisfactorySatisfactory-19730
August 201478.7FairSatisfactorySatisfactorySatisfactory-19730
August 201280.7FairSatisfactorySatisfactorySatisfactory-19730
August 201079.9FairSatisfactoryGoodGood-32720
July 200898.5GoodGoodVery GoodGood-32720
August 200698.8GoodGoodVery GoodGood-26520
June 200498.8GoodGoodVery GoodGood-25720
September 200298.9GoodGoodVery GoodGood-22800
September 200099.3GoodGoodVery GoodGood-15000
October 199899.3GoodGoodVery GoodGood-15000
July 199698.3GoodGoodVery GoodGood-15000
June 199497.9GoodGoodVery GoodGood-15000
July 199297.9GoodVery GoodGoodGood-14930
January 199197.9GoodVery GoodVery GoodVery Good-14930

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,9621,961100
Reinforced Concrete Decksq. ft.14,55314,553000
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.8989000
Reinforced Concrete Pier Caplinear ft.1341221200
Pourable Jointlinear ft.123012300
Assembly without Seal Jointlinear ft.8208200
Movable Bearingeach2424000
Fixed Bearingeach2424000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.654654000
Steel Protective Coatingsq. ft.19,30919,309000