Bridge Type
Main Span(s): Concrete continuous [2] Truss - Deck [09]
Approach Span(s): Concrete continuous [2] Girder and floorbeam system [03]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 916.8 m = 3008.0 ft
Main Spans: 15 at 26.5 m = 86.9 ft
Approach Spans: 50
Skew: 0
Width, Roadway: 11 m = 36.1 ft (3 Lanes) and Out-To-Out: 15.4 m = 50.5 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Seattle [63000]: King County [033], Washington [53]
Owned by City or Municipal Highway Agency [04], DOT District: 1
1700 W Garfield St
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 38.1 metric ton = 41.9 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 22.7 metric ton = 25.0 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 20000 (2017) and Trucks: 10%
Future ADT: 24000 (In 2037
)
