Share:

CITYST over I-110;MONTE SANO BAYOU

Map

Coordinates:
+30.51473, -91.15970
30°30'53" N, 91°09'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CITYST over I-110;MONTE SANO BAYOU
Structure number:611704509206041
Location:0.4 M N of I-110&US 61
Purpose:Carries highway over highway and waterway
Route classification:Local (Urban) [19]
Length of largest span:120.1 ft. [36.6 m]
Total length:683.1 ft. [208.2 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1976
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:7
Main spans material:Concrete continuous [2]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:30,750 [as of 2015]
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:15.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017FairGoodSatisfactoryGood3075015.3
April 2015FairGoodSatisfactoryGood3075073.0
May 2013FairGoodSatisfactoryGood2995073.2
July 2011FairGoodSatisfactoryVery Good2970073.2
May 2009GoodGoodGoodVery Good2725074.7
May 2007GoodVery GoodVery GoodVery Good1860075.2
May 2005GoodVery GoodVery GoodVery Good1860075.2
May 2003GoodVery GoodVery GoodVery Good1860075.2
May 2001GoodVery GoodVery GoodVery Good1847173.2
May 1999GoodVery GoodVery GoodVery Good1654875.6
May 1997GoodVery GoodVery GoodVery Good1706678.5
May 1995GoodVery GoodVery GoodVery Good2198577.3
May 1993GoodVery GoodVery GoodVery Good1574880.0
May 1991GoodVery GoodVery GoodVery Good2143679.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Closed Web/Box Girderlinear ft.6845829930
Deck
Reinforced Concrete Decksq. ft.19,15204,86814,2840
Substructure
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.128128000
Joints
Compression Jointlinear ft.5600056
Assembly with Sealeach2802800
Bearings
Elastomeric Bearingeach1818000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,3681,3185000