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COUNTY ROAD over TIBER DAM SPILLWAY

Map

Coordinates:
+48.33117, -111.10278
48°19'52" N, 111°06'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COUNTY ROAD over TIBER DAM SPILLWAY
Structure number:MTA-M-001
Location:14 MILES SOUTH AND 6 MILE
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:22.0 ft. [6.7 m]
Total length:87.9 ft. [26.8 m]
Owner:Bureau of Reclamation [69]
Year built:1962
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:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: March 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2011]
Truck traffic:10% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Pier/abutment protection:Navigation protection not required [1]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:99.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
March 2015Good7 out of 1010099.9
April 2011Good7 out of 1010099.9
September 2009Good7 out of 1010096.9
September 1999Good8 out of 1010099.9