IH 20 EB over FM 670


+32.35147, -101.02216
32°21'05" N, 101°01'20" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:IH 20 EB over FM 670
Structure number:081680000507045
Location:0.55 MI W OF FM 670(N)
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:1957
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:6,370 [as of 2013]
Truck traffic:37% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 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:92.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201592.0FairSatisfactorySatisfactorySatisfactoryFO6370
May 201395.0FairSatisfactorySatisfactorySatisfactory-4970
May 201194.0FairSatisfactorySatisfactorySatisfactory-6320
May 200995.0FairSatisfactorySatisfactorySatisfactory-4990
March 200796.0FairSatisfactorySatisfactorySatisfactory-5750
March 200595.0FairSatisfactorySatisfactorySatisfactory-5050
March 200397.0FairSatisfactorySatisfactorySatisfactory-6110
April 200199.0GoodVery GoodGoodGood-5570
March 199999.0GoodGoodGoodGood-5660
April 199799.0GoodGoodGoodGood-4570
May 199599.0GoodGoodGoodGood-4790
April 199399.0GoodGoodGoodGood-4450
August 199099.0GoodGoodGoodGood-3920