+48.12421, -96.16952
48°07'27" N, 96°10'10" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:TH 1 over THIEF RIVER
Structure number:9070
Location:0.3 MI E OF JCT TH 32
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:65.0 ft. [19.8 m]
Total length:174.9 ft. [53.3 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:62.3 ft. [19.0 m]
Owner:State Highway Agency [01]
Year built:1956
Year reconstructed:1988
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:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:6,100 [as of 2017]
Truck traffic:10% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:89.5

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018GoodGoodVery GoodGood610089.5
May 2016GoodGoodVery GoodGood625989.4
May 2014GoodGoodVery GoodGood625989.4
May 2012GoodGoodVery GoodGood625989.4
May 2010GoodGoodVery GoodGood625988.4
May 2008GoodGoodVery GoodGood625988.4
August 2007GoodGoodVery GoodGood670088.3
April 2006GoodGoodVery GoodGood670088.3
October 2004GoodGoodVery GoodGood550088.6
February 2003GoodGoodVery GoodGood680097.4
October 2000GoodGoodVery GoodGood680097.4
December 1999GoodGoodVery GoodGood520097.8
December 1998GoodGoodVery GoodGood680097.4
October 1997GoodGoodVery GoodGood680096.7
December 1996GoodGoodVery GoodGood430097.2
November 1995GoodGoodVery GoodGood430095.0
October 1994GoodGoodVery GoodGood440095.0
October 1993GoodVery GoodVery GoodVery Good440095.0
May 1992GoodVery GoodVery GoodVery Good425095.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.980980000
Reinforced Concrete Decksq. ft.10,90310,897240
Wearing Surfacessq. ft.8,3968,3623400
Reinforced Concrete Columneach44000
Reinforced Concrete Abutmentlinear ft.17213723120
Steel Pileeach40400
Reinforced Concrete Pier Caplinear ft.125125000
Strip Seal Jointlinear ft.125125000
Pourable Jointlinear ft.130130000
Elastomeric Bearingeach2121000
Fixed Bearingeach119200
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.463463000
Steel Protective Coatingsq. ft.1,1582905792890
Reinforced Concrete Bridge Raillinear ft.463463000