SH 121 ML NBND over US 287 ML, RR SPUR
Map
Coordinates:
+39.91811, -105.0909839°55'05" N, 105°05'28" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | SH 121 ML NBND over US 287 ML, RR SPUR |
Structure number: | E-16-HR |
Location: | IN BROOMFIELD |
Purpose: | Carries highway overpass over highway and railroad |
Route classification: | Other Principal Arterial (Urban) [14] |
Length of largest span: | 113.5 ft. [34.6 m] |
Total length: | 453.4 ft. [138.2 m] |
Roadway width between curbs: | 27.9 ft. [8.5 m] |
Deck width edge-to-edge: | 30.5 ft. [9.3 m] |
Vertical clearance below bridge: | 23.0 ft. [7.0 m] |
Skew angle: | 5° |
Owner: | State Highway Agency [01] |
Year built: | 1972 |
Historic significance: | Bridge is not eligible for the National Register of Historic Places [5] |
Design load: | MS 18+Mod / HS 20+Mod [6] |
Number of main spans: | 4 |
Main spans material: | Steel continuous [4] |
Main spans design: | Stringer/Multi-beam or girder [02] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Bituminous [6] |
Latest Available Inspection: December 2018
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 23,500 [as of 2011] |
Truck traffic: | 4% of total traffic |
Deck condition: | Good [7 out of 9] |
Superstructure condition: | Satisfactory [6 out of 9] |
Substructure condition: | Satisfactory [6 out of 9] |
Structural appraisal: | Equal to present minimum criteria [6] |
Deck geometry appraisal: | Basically intolerable requiring high priority of corrrective action [3] |
Underclearances appraisal: | Better than present minimum criteria [7] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
Scour condition: | Bridge not over waterway. [N] |
Sufficiency rating: | 77.3 |
Estimated cost of work: | $2,000 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
December 2018 | Fair | Good | Satisfactory | Satisfactory | 23500 | 77.3 |
December 2016 | Fair | Good | Satisfactory | Satisfactory | 23500 | 77.3 |
December 2014 | Fair | Good | Satisfactory | Satisfactory | 23500 | 77.3 |
January 2013 | Fair | Good | Good | Satisfactory | 25200 | 77.2 |
November 2010 | Fair | Good | Good | Satisfactory | 25200 | 77.2 |
January 2009 | Fair | Good | Good | Satisfactory | 25200 | 77.2 |
January 2007 | Fair | Good | Good | Satisfactory | 26550 | 77.2 |
April 2005 | Fair | Good | Good | Satisfactory | 28079 | 77.1 |
January 2003 | Fair | Good | Good | Satisfactory | 25469 | 77.1 |
December 2000 | Fair | Good | Good | Satisfactory | 22350 | 75.8 |
December 1998 | Fair | Good | Good | Satisfactory | 22350 | 75.8 |
March 1997 | Fair | Good | Good | Satisfactory | 16200 | 76.6 |
December 1994 | Fair | Good | Good | Satisfactory | 16200 | 77.6 |
November 1992 | Fair | Good | Good | Satisfactory | 15100 | 78.5 |
January 1991 | Fair | Good | Good | Satisfactory | 17900 | 78.3 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Superstructure |
Steel Girder/Beam | linear ft. | 1,796 | 573 | 899 | 324 | 0 |
Steel Protective Coating | sq. ft. | 1,796 | 246 | 1,100 | 450 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 13,829 | 11,478 | 2,351 | 0 | 0 |
Wearing Surfaces | sq. ft. | 12,692 | 11,792 | 900 | 0 | 0 |
Substructure |
Reinforced Concrete Pier Wall | linear ft. | 90 | 72 | 15 | 3 | 0 |
Reinforced Concrete Abutment | linear ft. | 62 | 52 | 10 | 0 | 0 |
Joints |
Strip Seal Joint | linear ft. | 56 | 55 | 1 | 0 | 0 |
Bearings |
Movable Bearing | each | 8 | 0 | 7 | 1 | 0 |
Steel Protective Coating | sq. ft. | 8 | 0 | 0 | 0 | 8 |
Fixed Bearing | each | 12 | 12 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 12 | 0 | 0 | 12 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 906 | 906 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 906 | 906 | 0 | 0 | 0 |