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IRR/US-491 over UNNAMED WATERWAY

Map

Coordinates:
+36.00181, -108.65887
36°00'07" N, 108°39'32" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR/US-491 over UNNAMED WATERWAY
Structure number:000000000007433
Location:36.9 MI N OF JCT I-40
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:12.1 ft. [3.7 m]
Total length:24.9 ft. [7.6 m]
Owner:State Highway Agency [01]
Year built:1973
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:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: October 2015

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 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]
Sufficiency rating:80.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$154,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
October 2015Good7 out of 10299580.0
October 2011Good7 out of 10277380.0
October 2007Good7 out of 10411480.0
October 2003Good7 out of 10609180.0
October 1999Good7 out of 10359980.0
October 1997Good7 out of 10346780.0
November 1995Good7 out of 10352980.0
December 1993Good7 out of 10317380.0
December 1991Good7 out of 10306480.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Reinforced Concrete Culvertlinear ft.167167000