Snowflake-Concho R over Seep Draw


+34.52667, -109.75000
34°31'36" N, 109°45'00" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:Snowflake-Concho R over Seep Draw
Structure number:09621
Location:8.7 mi W Jct SR 180A
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:32.2 ft. [9.8 m]
Total length:32.2 ft. [9.8 m]
Owner:County Highway Agency [02]
Year built:1980
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: May 2016 

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:412 [as of 2012]
Truck traffic:1% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
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:98.8 tons [89.8 metric tons]
Inventory rating:59.8 tons [54.4 metric tons]
Sufficiency rating:98.1

Previous Inspections 

DateSuff. RatingConditionCulvert ConditionSD/FOADT
May 201698.1Good7 out of 10-412
May 201298.1Good7 out of 10-412
June 200898.1Good7 out of 10-412
June 200698.1Good7 out of 10-412
June 200299.3Good7 out of 10-90
June 199899.3Good7 out of 10-90
September 199499.3Good7 out of 10-90
June 199299.3Good7 out of 10-90
July 199099.3Good8 out of 10-90