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US-491 over UNNAMED WATERWAY

Map

Coordinates:
+35.71304, -108.77411
35°42'47" N, 108°46'27" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-491 over UNNAMED WATERWAY
Structure number:000000000009006
Location:13.4 MI N. JCT. I-40/491
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:12.1 ft. [3.7 m]
Total length:47.9 ft. [14.6 m]
Skew angle:29°
Owner:State Highway Agency [01]
Year built:1999
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:Steel [3]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:10,362 [as of 2017]
Truck traffic:23% 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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
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:83.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
September 2017Good7 out of 101036283.0
September 2015Good8 out of 10904483.0
September 2013Good8 out of 10904483.0
September 2011Good8 out of 10837483.0
September 2009Good8 out of 10940583.0
September 2007Good8 out of 10750683.0
September 2005Good8 out of 10748483.0
August 2003Good8 out of 10737683.0
August 2001Good8 out of 10759883.0
August 1999Good8 out of 10777783.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Steel Culvertlinear ft.76166101000
Steel Protective Coatingsq. ft.9,1329,132000