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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Columneach80800
Pourable Jointlinear ft.2424000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6969000
Reinforced Concrete Slabsq. ft.33000