SR 77 over I-20


+33.54405, -83.07980
33°32'39" N, 83°04'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 77 over I-20
Structure number:000000013300190
Purpose:Carries highway over highway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:88.9 ft. [27.1 m]
Total length:289.1 ft. [88.1 m]
Roadway width between curbs:42.7 ft. [13.0 m]
Deck width edge-to-edge:46.6 ft. [14.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1971
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
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: May 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,280 [as of 2011]
Truck traffic:11% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:85.2
Estimated cost of work:$1,694,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2016FairFairSatisfactorySatisfactory128085.2
May 2014FairSatisfactorySatisfactorySatisfactory128086.2
May 2012FairSatisfactorySatisfactorySatisfactory128088.2
May 2010FairSatisfactorySatisfactorySatisfactory230088.2
May 2008FairSatisfactorySatisfactorySatisfactory230088.2
June 2006FairSatisfactorySatisfactorySatisfactory230091.9
April 2004FairSatisfactorySatisfactorySatisfactory230091.9
May 2002PoorPoorSatisfactorySatisfactory230088.9
May 2000PoorPoorGoodSatisfactory230094.0
May 1998PoorPoorVery GoodSatisfactory230094.0
May 1996PoorPoorSatisfactorySatisfactory190094.0
September 1994PoorPoorSatisfactorySatisfactory120094.0
December 1992PoorPoorSatisfactorySatisfactory109094.0
April 1991FairSatisfactorySatisfactorySatisfactory100097.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,7341,734000
Steel Protective Coatingsq. ft.15,26815,268000
Reinforced Concrete Decksq. ft.13,43912,789634160
Reinforced Concrete Columneach93600
Reinforced Concrete Abutmentlinear ft.102772500
Reinforced Concrete Pier Caplinear ft.1351053000
Pourable Jointlinear ft.129129000
Compression Jointlinear ft.8600860
Movable Bearingeach24121200
Steel Protective Coatingsq. ft.48242400
Fixed Bearingeach1812600
Steel Protective Coatingsq. ft.36241200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.57849120670