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IS 64 W over CST 4TH ST, CST BROADWAY

Map 

Coordinates:
+38.61905, -90.18682
38°37'09" N, 90°11'13" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:IS 64 W over CST 4TH ST, CST BROADWAY
Structure number:1246
Location:S 23 T 45 N R 7 E
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:254.6 ft. [77.6 m]
Total length:7847.5 ft. [2391.8 m]
Roadway width between curbs:28.9 ft. [8.8 m]
Deck width edge-to-edge:33.8 ft. [10.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 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 / HS 20 [5]
Number of main spans:6
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: July 2014 

Status:Posted for load [P]
Average daily traffic:43,047 [as of 2014]
Truck traffic:18% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:37.6 tons [34.2 metric tons]
Inventory rating:22.8 tons [20.7 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:26.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$131,628,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201426.0Structurally deficientFairPoorSatisfactory43047
July 201242.0Not deficientFairFairSatisfactory40813
August 201117.3Structurally deficientPoorFairSatisfactory40813
August 201017.8Structurally deficientPoorFairSatisfactory41225
August 20095.0Structurally deficientPoorPoorSatisfactory41641
July 20085.0Structurally deficientPoorSeriousSatisfactory41216
July 20075.0Structurally deficientPoorSeriousSatisfactory41062
August 200629.8Structurally deficientFairSatisfactorySatisfactory41062
July 200527.8Structurally deficientPoorSatisfactorySatisfactory41021
November 200427.8Structurally deficientPoorSatisfactorySatisfactory50610
August 200329.8Structurally deficientFairSatisfactorySatisfactory50559
October 200126.8Structurally deficientFairSatisfactorySatisfactory39898