IS 55 N over CST 2ND ST


+38.61962, -90.18834
38°37'11" N, 90°11'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:IS 55 N over CST 2ND ST
Structure number:11901
Location:S 23 T 45 N R 7 E
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:89.9 ft. [27.4 m]
Total length:252.0 ft. [76.8 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:26.9 ft. [8.2 m]
Vertical clearance below bridge:24.3 ft. [7.4 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1964
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:Bituminous [6]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:93,655 [as of 2016]
Truck traffic:12% of total traffic
Deck condition:Serious [3 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:108.9 tons [99.0 metric tons]
Inventory rating:65.3 tons [59.4 metric tons]
Sufficiency rating:32.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,564,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201632.0PoorSeriousSeriousFairSD93655
July 201432.0PoorSeriousSeriousFairSD50430
July 201232.0PoorSeriousSeriousFairSD47813
August 201132.0PoorSeriousSeriousFairSD47813
August 201032.0PoorSeriousSeriousFairSD48296
July 200932.0PoorSeriousSeriousFairSD48784
July 200832.0PoorSeriousSeriousFairSD48287
July 200732.0PoorSeriousSeriousFairSD48107
August 200632.0PoorSeriousSeriousFairSD48107
July 200532.0PoorSeriousSeriousFairSD48040
September 200432.0PoorSeriousSeriousSatisfactorySD47659
August 200327.0PoorSeriousSeriousSatisfactorySD47611
February 200327.0PoorSeriousSeriousSatisfactorySD51499
September 200127.0PoorSeriousSeriousGoodSD49618