+29.72000, -94.93919
29°43'12" N, 94°56'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SH 99 over CEDAR BAYOU
Structure number:200360318702001
Location:1.1 MI E OF SH 146
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:279.9 ft. [85.3 m]
Total length:2807.2 ft. [855.6 m]
Roadway width between curbs:48.6 ft. [14.8 m]
Deck width edge-to-edge:50.2 ft. [15.3 m]
Vertical clearance below bridge:52.5 ft. [16.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
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:15,850 [as of 2013]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 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]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:83.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018GoodGoodGoodGood1585083.0
June 2016FairGoodGoodFair1585072.0
June 2014FairGoodGoodFair1120072.0
June 2012FairGoodGoodFair1120072.0
June 2010FairGoodGoodFair910072.0
May 2008GoodGoodGoodGood750086.7
July 2006FairGoodGoodSatisfactory750086.7
May 2005GoodGoodGoodGood750087.7
May 2003GoodGoodVery GoodGood750088.7
June 2001GoodGoodVery GoodGood750088.7
June 1999GoodGoodVery GoodGood700089.5
June 1997GoodGoodVery GoodGood340094.9
June 1994GoodGoodVery GoodVery Good360094.6
September 1991GoodGoodVery GoodVery Good380094.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,0402,040000
Prestressed Concrete Girder/Beamlinear ft.12,75012,750000
Reinforced Concrete Decksq. ft.34,15932,2601,89900
Prestressed Concrete Decksq. ft.106,77594,52512,25000
Reinforced Concrete Columneach8180100
Reinforced Concrete Abutmentlinear ft.100891100
Reinforced Concrete Pier Caplinear ft.1,3281,07325500
Elastomeric Bearingeach300300000
Movable Bearingeach99000
Fixed Bearingeach33000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.5,6145,609320