STATE ROUTE 254 over SOUTH FORK EEL RIVER (Route: 254)
Num: 04 0010x
Open: no restriction [A]
Built: 1931, Reconstructed: 1966
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] Stringer/Multi-beam or girder [02]
Approach Span(s): Concrete continuous [2] Box beam or girders - Multiple [05]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 193.2 m = 633.9 ft
Main Spans: 1 at 61 m = 200.1 ft
Approach Spans: 6
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 9.4 m = 30.8 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Humboldt County [023], California [06]
Owned by State Highway Agency [01], DOT District: 1
01-HUM-254-20.64

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 67.7 metric ton = 74.5 tons (Load Factor(LF) [1])
Inventory: 40.8 metric ton = 44.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: August 2020 [0820] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 12.1 km = 7.5 mi
Traffic
ADT: 460 (2009) and Trucks: 11%
Future ADT: 428 (In 2040 )

U.S. HIGHWAY 101 over SFK EEL RIVER:MATTOLE RD (Route: 101)
Num: 04 0076x
Open: no restriction [A]
Built: 1958, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Bridge Dimensions
Length: 271.4 m = 890.5 ft
Main Spans: 3 at 83.8 m = 274.9 ft
Approach Spans: 2
Skew: 43
Width, Roadway: 17.8 m = 58.4 ft (4 Lanes) and Out-To-Out: 18.7 m = 61.4 ft for a 17.1 m = 56.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Humboldt County [023], California [06]
Owned by State Highway Agency [01], DOT District: 1
01-HUM-101-35.75

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 37.9 metric ton = 41.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 29.2 metric ton = 32.1 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

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 assessed or calculated scour condition. [5]
Inspections
Date: July 1999 [799] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 2.4 km = 1.5 mi
Traffic
ADT: 6190 (2010) and Trucks: 17%
Future ADT: 14175 (In 2041 )

U.S. HIGHWAY 101 over ST RTE 254-S101 ON RAMP (Route: 101)
Num: 04 0064x
Open: no restriction [A]
Built: 1958, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:

Bridge Dimensions
Length: 25.9 m = 85.0 ft
Main Spans: 3 at 9.8 m = 32.2 ft
Approach Spans: 0
Skew: 22
Width, Roadway: 18.7 m = 61.4 ft (4 Lanes) and Out-To-Out: 19.9 m = 65.3 ft for a 18.3 m = 60.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Humboldt County [023], California [06]
Owned by State Highway Agency [01], DOT District: 1
01-HUM-101-35.70

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 29.5 metric ton = 32.5 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 22.7 metric ton = 25.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 1999 [799] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 2.7 km = 1.7 mi
Traffic
ADT: 5400 (2009) and Trucks: 22%
Future ADT: 7285 (In 2039 )