IH 20 WB over FM 644(S)


+32.41512, -100.71315
32°24'54" N, 100°42'47" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:IH 20 WB over FM 644(S)
Structure number:081680000601159
Location:10.1 MI E OF SH 208(S)
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:44.9 ft. [13.7 m]
Total length:113.9 ft. [34.7 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Owner:State Highway Agency [01]
Year built:1958
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,560 [as of 2013]
Truck traffic:39% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:93.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201593.0FairGoodSatisfactoryGoodFO6560
May 201393.0GoodGoodGoodGoodFO5860
May 201193.0GoodGoodGoodGoodFO6670
May 200994.0GoodGoodGoodGoodFO5840
March 200794.0GoodGoodGoodGoodFO6620
March 200594.0GoodGoodGoodGoodFO6690
March 200397.0GoodGoodGoodGood-6150
March 200198.0GoodVery GoodGoodGood-6000
March 199998.0GoodVery GoodGoodGood-5400
April 1997100.0GoodGoodVery GoodGood-4900
May 1995100.0FairGoodVery GoodSatisfactory-4690
March 199399.0GoodGoodGoodGood-4450
August 199099.0GoodGoodGoodGood-4600