NE CARNATION FARM over SNOQUALMIE RIVER (Route: 96806)
Num:80972000000000x
Open: no restriction [A]
Built: 1951, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Concrete continuous [2] Tee beam [04]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 100.6 m = 330.1 ft
Main Spans: 1 at 54.9 m = 180.1 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.4 m = 27.6 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 4.57 m = 15.0 ft and Navigational Clearance: 0 = N/A

Location
King [99033]: King County [033], Washington [53]
Owned by County Highway Agency [02], DOT District: 1
0.8 MI W OF SR-203

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 12 metric ton = 13.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 9.1 metric ton = 10.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: April 1999 [499] 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: 1.6 km = 1.0 mi
Traffic
ADT: 950 (2016) and Trucks: 5%
Future ADT: 1300 (In 2036 )

NE CARN. FARM RD over SLOUGH (Route: 96806)
Num:86332000000000x
Open: no restriction [A]
Built: 1997, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Bituminous [6]

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: 10.4 m = 34.1 ft (2 Lanes) and Out-To-Out: 11 m = 36.1 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Carnation [10215]: King County [033], Washington [53]
Owned by County Highway Agency [02], DOT District: 1
0.6 MI W OF SR-203

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 53.5 metric ton = 58.9 tons (Load Factor(LF) [1])
Inventory: 34.5 metric ton = 38.0 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] and Frequency: 24

Future Work
Work Needed: Replacement of bridge or other structure because of relocation of road. [32]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 1550 (2017) and Trucks: 10%
Future ADT: 3100 (In 2037 )