US 169 over Mississippi River


+45.19166, -93.39531
45°11'30" N, 93°23'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 169 over Mississippi River
Structure number:4380
Location:At North County Line
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:107.9 ft. [32.9 m]
Total length:995.1 ft. [303.3 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:79.7 ft. [24.3 m]
Owner:State Highway Agency [01]
Year built:1929
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:10
Main spans material:Concrete [1]
Main spans design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:46,000 [as of 2008]
Truck traffic:3% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
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]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:84.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017GoodGoodGoodGood4600084.0
June 2015GoodGoodGoodGood4600084.0
June 2013GoodGoodGoodGood4600084.0
July 2011GoodGoodGoodGood4600084.0
September 2010GoodGoodGoodGood4600084.0
June 2009GoodGoodGoodGood4600084.0
September 2008GoodGoodGoodGood4400083.0
July 2007GoodGoodGoodGood4400083.0
August 2006GoodGoodGoodGood4400083.0
May 2005GoodGoodGoodGood4400083.0
August 2003GoodGoodGoodGood4250083.0
March 2003FairSatisfactoryGoodSatisfactory4100083.0
August 2001FairSatisfactoryGoodSatisfactory4100083.0
September 2000FairGoodGoodSatisfactory4100083.0
November 1999FairVery GoodVery GoodSatisfactory4100083.0
December 1998FairVery GoodVery GoodSatisfactory4100083.0
November 1997FairExcellentExcellentSatisfactory4100082.0
March 1997FairExcellentExcellentSatisfactory4100082.0
August 1995PoorPoorPoorSatisfactory3800016.5
October 1994PoorPoorPoorSatisfactory3300016.5
October 1993PoorPoorPoorSatisfactory3300016.5
June 1992PoorPoorPoorSatisfactory325004.0
July 1991PoorPoorPoorSatisfactory325004.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.315315000
Reinforced Concrete Archlinear ft.1,8761,8591700
Reinforced Concrete Floor Beamlinear ft.5,4185,414400
Reinforced Concrete Columneach2720160
Reinforced Concrete Pier Walllinear ft.49238286240
Reinforced Concrete Abutmentlinear ft.160807190
Reinforced Concrete Pier Caplinear ft.7387142400
Strip Seal Jointlinear ft.825825000
Pourable Jointlinear ft.300300000
Elastomeric Bearingeach198198000
Fixed Bearingeach66000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3,6873,41127600
Reinforced Concrete Slabsq. ft.79,21078,61060000
Wearing Surfacessq. ft.55,72555,725000