+32.33119, -101.16320
32°19'52" N, 101°09'48" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IH 20 over IATAN CREEK
Structure number:081680000507009
Location:0.9 MI E OF HOWARD CO LN
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:7.9 ft. [2.4 m]
Total length:44.0 ft. [13.4 m]
Owner:State Highway Agency [01]
Year built:1928
Year reconstructed:1984
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Number of main spans:8
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,370 [as of 2013]
Truck traffic:37% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:35.6 tons [32.4 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Sufficiency rating:70.7

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
May 201570.7Fair6 out of 10-14370
May 201371.2Fair6 out of 10-10480
May 201170.9Fair6 out of 10-12400
May 200971.3Fair6 out of 10-11650
April 200778.6Fair6 out of 10-11970
April 200578.8Fair6 out of 10-10570
April 200378.6Fair6 out of 10-12360
April 200178.8Fair6 out of 10-10500
March 199993.9Fair6 out of 10-11300
April 199794.1Fair6 out of 10-9200
May 199582.0Good7 out of 10-10990
April 199378.2Good7 out of 10-9100
August 199081.2Good7 out of 10-9100

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Culvertlinear ft.4023703020