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I 25 ML SBND over BIG THOMPSON RIVER

Map

Coordinates:
+40.39702, -104.99346
40°23'49" N, 104°59'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 25 ML SBND over BIG THOMPSON RIVER
Structure number:C-17-BL
Location:0.7 MI SO OF JCT US 34
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:67.9 ft. [20.7 m]
Total length:171.9 ft. [52.4 m]
Roadway width between curbs:37.1 ft. [11.3 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Owner:State Highway Agency [01]
Year built:1962
Year reconstructed:1989
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:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:34,000 [as of 2011]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:93.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairSatisfactorySatisfactoryGood3400093.8
June 2015FairSatisfactorySatisfactoryGood3400093.8
September 2013FairSatisfactorySatisfactoryGood3400093.8
June 2011FairSatisfactorySatisfactoryGood3360093.8
June 2009FairSatisfactorySatisfactoryGood3360093.8
May 2007FairSatisfactorySatisfactoryGood3180093.4
April 2005FairSatisfactorySatisfactoryGood3084693.5
May 2003FairSatisfactorySatisfactoryGood2472193.8
March 2001FairSatisfactorySatisfactoryGood2472192.4
June 1999FairSatisfactorySatisfactoryGood2317092.5
March 1997FairSatisfactorySatisfactoryGood1875093.0
July 1995FairSatisfactorySatisfactoryGood1875092.4
April 1993FairSatisfactoryFairGood1685081.4
May 1992FairSatisfactoryFairGood1685081.4
May 1990FairSatisfactorySatisfactoryGood1300074.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.860860000
Deck
Reinforced Concrete Decksq. ft.6,9325,5361,386100
Substructure
Reinforced Concrete Columneach1010000
Reinforced Concrete Abutmentlinear ft.81602100
Reinforced Concrete Pier Caplinear ft.7874400
Joints
Strip Seal Jointlinear ft.7676000
Pourable Jointlinear ft.3737000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.344343100