SH 121 ML NBND over US 287 ML, RR SPUR

Map

Coordinates:
+39.91811, -105.09098
39°55'05" N, 105°05'28" W

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]`

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

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

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