I275 RMP over I275-NB EXT. RMP / SR-9


+35.99917, -83.95583
35°59'57" N, 83°57'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I275 RMP over I275-NB EXT. RMP / SR-9
Structure number:47I02750017
Location:1 M NW OF SR9
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:75.1 ft. [22.9 m]
Total length:293.0 ft. [89.3 m]
Roadway width between curbs:30.8 ft. [9.4 m]
Deck width edge-to-edge:37.7 ft. [11.5 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:5
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:34,570 [as of 2015]
Truck traffic:9% 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:Better than present minimum criteria [7]
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:58.4 tons [53.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:91.6

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201691.6GoodGoodGoodGoodFO34570
December 201491.8GoodGoodGoodGoodFO32770
December 201280.4FairSatisfactoryFairSatisfactoryFO32020
January 201180.5FairSatisfactoryFairSatisfactoryFO31150
December 200880.5FairSatisfactoryFairSatisfactoryFO31190
November 200681.0FairSatisfactoryFairSatisfactoryFO34850
November 200463.7PoorSatisfactoryPoorSatisfactorySD35980
September 200292.1FairSatisfactorySatisfactorySatisfactoryFO39340
September 200090.4FairSatisfactorySatisfactorySatisfactoryFO36060
December 199890.2FairSatisfactorySatisfactorySatisfactoryFO37350
October 199677.0FairSatisfactoryFairSatisfactoryFO34420
December 199477.7FairSatisfactoryFairSatisfactoryFO34900
August 199277.9FairSatisfactoryFairSatisfactoryFO33420
October 199077.9FairSatisfactoryFairSatisfactoryFO33420

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Girder/Beamlinear ft.1,5781,577100
Prestressed Concrete Decksq. ft.11,07511,075000
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.8282000
Reinforced Concrete Pier Caplinear ft.164164000
Compression Jointlinear ft.7676000
Movable Bearingeach2525000
Fixed Bearingeach1515000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.630630000