E-470 SB over Ramp E

Map

Coordinates:
+39.74575, -104.71703
39°44'45" N, 104°43'01" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	E-470 SB over Ramp E
Structure number:	E-470-20.88B
Location:	20.88 MI FROM I25
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) `[12]`
Tolls:	Yes, on toll road `[2]`
Length of largest span:	91.9 ft. `[28.0 m]`
Total length:	210.6 ft. `[64.2 m]`
Roadway width between curbs:	40.0 ft. `[12.2 m]`
Deck width edge-to-edge:	42.0 ft. `[12.8 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	47°
Owner:	Local Toll Authority `[32]`
Year built:	2006
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 22.5 / HS 25 `[9]`
Number of main spans:	3
Main spans material:	Prestressed concrete continuous `[6]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	17,985 `[as of 2018]`
Truck traffic:	6% 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:	Better than present minimum criteria `[7]`
Underclearances appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	98.3

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
July 2018	Good	Good	Good	Good	17985	98.3
July 2016	Good	Very Good	Very Good	Good	20900	98.0
July 2014	Good	Very Good	Very Good	Good	20900	98.0
May 2012	Good	Very Good	Very Good	Good	20900	98.0
July 2010	Good	Very Good	Very Good	Good	20900	98.0
March 2008	Good	Very Good	Very Good	Very Good	20900	98.0

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Prestressed Concrete Girder/Beam	linear ft.	842	842	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	8,844	8,844	0	0	0
Wearing Surfaces	sq. ft.	8,440	8,440	0	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	60	60	0	0	0
Reinforced Concrete Abutment	linear ft.	123	118	5	0	0
Reinforced Concrete Pier Cap	linear ft.	120	120	0	0	0
Joints
Pourable Joint	linear ft.	280	280	0	0	0
Bridge Rail
Other Material Bridge Rail	linear ft.	421	421	0	0	0