IS 270 E over RT H


+38.76713, -90.18250
38°46'02" N, 90°10'57" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:IS 270 E over RT H
Structure number:823
Location:S 114 T 47 N R 7 E
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:63.0 ft. [19.2 m]
Total length:217.9 ft. [66.4 m]
Roadway width between curbs:44.3 ft. [13.5 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:1999
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: July 2015 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:26,578 [as of 2015]
Truck traffic:18% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:75.2 tons [68.4 metric tons]
Inventory rating:41.6 tons [37.8 metric tons]
Sufficiency rating:94.7

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201594.7GoodGoodVery GoodGood-26578
September 201396.8GoodGoodVery GoodGood-26226
September 201195.7GoodGoodVery GoodGood-28145
September 200995.6GoodGoodVery GoodGood-29081
September 200795.8GoodGoodVery GoodGood-24916
August 200595.8GoodGoodVery GoodGood-24479
August 200495.9GoodGoodVery GoodVery Good-24285
August 200296.9GoodGoodVery GoodVery Good-24384
August 200196.9GoodGoodVery GoodVery Good-24433