SH 121 NB (NTTA) over SH 171 FWWR & CR 1125


+32.38530, -97.41778
32°23'07" N, 97°25'04" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SH 121 NB (NTTA) over SH 171 FWWR & CR 1125
Structure number:021270050405514
Location:SH 121 NB @ SH 171
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Tolls:Yes, on toll road [2]
Length of largest span:134.8 ft. [41.1 m]
Total length:1981.1 ft. [603.8 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:45.9 ft. [14.0 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:33°
Owner:State Highway Agency [01]
Year built:2014
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:16
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:17,300 [as of 2013]
Truck traffic:1% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:98.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018GoodGoodVery GoodGood1730098.4
June 2016GoodGoodVery GoodGood1730098.4
June 2014GoodGoodVery GoodGood1730097.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.13,78013,780000
Prestressed Concrete Decksq. ft.91,10391,103000
Reinforced Concrete Columneach6767000
Reinforced Concrete Abutmentlinear ft.114843000
Reinforced Concrete Pier Caplinear ft.837837000
Elastomeric Bearingeach222222000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3,9643,964000