RIVERSIDE DRIVE over SKAGIT RIVER (Route: 820)
Num:87257000000000x
Open: no restriction [A]
Built: 2004, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] Stringer/Multi-beam or girder [02]
Approach Span(s): Concrete [1] Slab [01]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 259.1 m = 850.1 ft
Main Spans: 5 at 54.9 m = 180.1 ft
Approach Spans: 2
Skew: 6
Width, Roadway: 18.3 m = 60.0 ft (4 Lanes) and Out-To-Out: 21.8 m = 71.5 ft for a 18.6 m = 61.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 9.4 m = 30.8 ft

Location
Mount Vernon [47560]: Skagit County [057], Washington [53]
Owned by City or Municipal Highway Agency [04], DOT District: 1
0.7 N JCT SR 538

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Very Good [8]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 76.8 metric ton = 84.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 46 metric ton = 50.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 1999 [899] and Frequency: 24

Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 21640 (2019) and Trucks: 10%
Future ADT: 39084 (In 2039 )

RIVERSIDE DRIVE over HOAG & STEWARD ST (Route: 820)
Num:87593000000000x
Open: no restriction [A]
Built: 2003, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:

Bridge Dimensions
Length: 18.3 m = 60.0 ft
Main Spans: 1 at 18 m = 59.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 19.8 m = 65.0 ft (4 Lanes) and Out-To-Out: 22.6 m = 74.2 ft for a 20.1 m = 65.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Mount Vernon [47560]: Skagit County [057], Washington [53]
Owned by City or Municipal Highway Agency [04], DOT District: 1
RIVERSIDE DR JCT HOAG ST

Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 61.2 metric ton = 67.3 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 36.6 metric ton = 40.3 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: October 1999 [1099] and Frequency: 24

Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 24455 (2019) and Trucks: 5%
Future ADT: 44168 (In 2039 )