US 61 S over ROCK CR


+38.37258, -90.37517
38°22'21" N, 90°22'31" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 61 S over ROCK CR
Structure number:3757
Old structure number:A4588 1 (from 1992 edition)
Location:S 2005 T 42 N R 6 E
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:60.0 ft. [18.3 m]
Total length:219.2 ft. [66.8 m]
Roadway width between curbs:66.9 ft. [20.4 m]
Deck width edge-to-edge:69.6 ft. [21.2 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1988
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:5
Main spans material:Prestressed concrete [5]
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: November 2015 

Status:Open, no restriction [A]
Average daily traffic:14,988 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:72.3 tons [65.7 metric tons]
Inventory rating:49.5 tons [45.0 metric tons]
Sufficiency rating:84.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201584.0Not deficientGoodGoodSatisfactory14988
November 201457.0Structurally deficientGoodGoodPoor16076
November 201273.0Not deficientGoodGoodFair16172
January 201273.0Not deficientGoodGoodFair14810
January 201084.0Not deficientGoodGoodSatisfactory15275
January 200884.0Not deficientGoodGoodSatisfactory16367
January 200684.0Not deficientGoodGoodVery Good18166
February 200484.0Not deficientGoodGoodVery Good18592
November 200184.0Not deficientGoodGoodGood18246
December 200084.0Not deficientGoodGoodGood19258
January 200084.0Not deficientGoodGoodGood18992
November 199884.0Not deficientGoodGoodGood18992
December 199784.0Not deficientGoodGoodVery Good18992
January 199786.3Not deficientGoodGoodVery Good11784
January 199687.6Not deficientGoodGoodVery Good11784
September 199488.0Not deficientGoodGoodVery Good11408
January 199488.3Not deficientGoodGoodVery Good11162
January 199388.3Not deficientGoodGoodExcellent11162
December 199188.6Not deficientExcellentExcellentExcellent10900