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School Bus Rd over Little Colorado River

Map

Coordinates:
+34.10667, -109.32500
34°06'24" N, 109°19'30" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:School Bus Rd over Little Colorado River
Structure number:09051
Location:0.2 mi S Jct SR 260
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:9.8 ft. [3.0 m]
Total length:43.0 ft. [13.1 m]
Owner:Town or Township Highway Agency [03]
Year built:1970
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:4
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: May 2014

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:900 [as of 2012]
Truck traffic:5% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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]
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]
Operating rating:98.0 tons [89.1 metric tons]
Inventory rating:98.0 tons [89.1 metric tons]
Sufficiency rating:99.7

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
May 201499.7Good7 out of 10-900
May 201099.7Good7 out of 10-900
June 200699.7Good7 out of 10-900
May 200299.9Good7 out of 10-400
April 199899.9Good7 out of 10-400
July 199499.9Good7 out of 10-400
November 199299.9Good8 out of 10-400
August 198999.9Good8 out of 10-400