Share:

SR 309 over I 22

Map

Coordinates:
+34.85583, -89.68870
34°51'21" N, 89°41'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 309 over I 22
Structure number:31003090470160A
Location:SR 309 OVER I 22
Purpose:Carries highway over highway
Route classification:Major Collector (Rural) [07]
Length of largest span:89.9 ft. [27.4 m]
Total length:332.0 ft. [101.2 m]
Roadway width between curbs:38.4 ft. [11.7 m]
Deck width edge-to-edge:41.3 ft. [12.6 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:1982
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:2
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,500 [as of 2015]
Truck traffic:8% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016FairFairSatisfactoryGood350098.7
August 2014GoodGoodGoodVery Good325094.8
August 2012GoodGoodGoodVery Good330094.8
August 2010GoodGoodVery GoodVery Good355093.8
July 2008GoodVery GoodVery GoodVery Good350093.8
July 2006GoodVery GoodVery GoodVery Good285094.9
July 2004GoodVery GoodVery GoodVery Good300094.9
July 2002GoodVery GoodVery GoodVery Good350094.8
July 2000GoodVery GoodVery GoodVery Good285094.9
July 1997GoodExcellentExcellentExcellent285095.0
July 1996GoodExcellentExcellentExcellent370091.9
July 1994GoodExcellentExcellentExcellent370091.9
July 1992GoodExcellentExcellentExcellent370091.9
July 1990GoodExcellentExcellentExcellent370091.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.1,6501,6297140
Deck
Reinforced Concrete Decksq. ft.13,64092583711,8780
Substructure
Reinforced Concrete Columneach65010
Reinforced Concrete Abutmentlinear ft.1441271700
Reinforced Concrete Pier Caplinear ft.120120000
Joints
Compression Jointlinear ft.84001272
Bearings
Elastomeric Bearingeach3030000
Movable Bearingeach1000100
Steel Protective Coatingsq. ft.1000010
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.66005591010