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IRR/US-491 over SHEEP SPRINGS WASH

Map

Coordinates:
+36.14264, -108.70699
36°08'34" N, 108°42'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR/US-491 over SHEEP SPRINGS WASH
Structure number:000000000007865
Location:0.2 MI S OF NM-134
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:9.8 ft. [3.0 m]
Total length:55.1 ft. [16.8 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1976
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: January 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,995 [as of 2014]
Truck traffic:31% 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 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:60.6 tons [55.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:62.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$545,000

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
January 201662.0Good7 out of 10-2995
January 201262.0Good7 out of 10-2773
January 200862.0Good7 out of 10-4114
January 200377.0Good7 out of 10-6091
January 200080.0Good7 out of 10-3888
January 199680.0Fair6 out of 10-3529
January 199480.0Fair6 out of 10-3173
February 199280.0Good7 out of 10-3064

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Culvert
Reinforced Concrete Culvertlinear ft.5415261500