RP IS55N TO IS44W over IS 55


+38.61026, -90.21036
38°36'37" N, 90°12'37" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:RP IS55N TO IS44W over IS 55
Structure number:892
Location:S 27 T 45 N R 7 E
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:82.4 ft. [25.1 m]
Total length:200.1 ft. [61.0 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:41.7 ft. [12.7 m]
Vertical clearance above deck:15.4 ft. [4.7 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:53°
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1985
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:3
Main spans material:Concrete continuous [2]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: August 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:16,435 [as of 2015]
Truck traffic:18% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:70.3 tons [63.9 metric tons]
Inventory rating:42.6 tons [38.7 metric tons]
Sufficiency rating:53.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,126,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201553.3FairFairFairFairFO16435
August 201354.7FairFairFairFairFO18016
August 201156.1FairFairFairFairFO14356
August 200958.3FairFairFairFairFO11336
August 200758.2FairFairFairFairFO11497
August 200559.3FairSatisfactorySatisfactoryFairFO11597
July 200354.8FairSatisfactorySatisfactoryFairFO11869
June 200155.0FairSatisfactorySatisfactoryFairFO11648

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Closed Web/Box Girderlinear ft.19815122250
Reinforced Concrete Top Flangesq. ft.8,2562,6892,4773,0900
Wearing Surfacessq. ft.7,60007,4481520
Reinforced Concrete Columneach72410
Reinforced Concrete Abutmentlinear ft.19050438710
Elastomeric Bearingeach1400140
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4000380200