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MAMMOTH RD over BIG RVR

Map 

Coordinates:
+38.12233, -90.67606
38°07'20" N, 90°40'34" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:MAMMOTH RD over BIG RVR
Structure number:21255
Location:S 11 T 39 N R 3 E
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:109.9 ft. [33.5 m]
Total length:253.9 ft. [77.4 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Owner:County Highway Agency [02]
Year built:1984
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
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: February 2015 

Status:Open, no restriction [A]
Average daily traffic:200 [as of 2014]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:37.6 tons [34.2 metric tons]
Inventory rating:18.8 tons [17.1 metric tons]
Sufficiency rating:79.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201579.4Not deficientSatisfactoryGoodSatisfactory200
February 201369.4Not deficientSatisfactoryGoodFair200
February 201169.4Not deficientGoodGoodFair200
February 200979.4Not deficientGoodVery GoodSatisfactory200
February 200779.4Not deficientGoodVery GoodSatisfactory200
February 200579.4Not deficientGoodVery GoodGood200
March 200379.4Not deficientGoodVery GoodVery Good200
February 200179.4Not deficientVery GoodVery GoodVery Good200