MILL CROSSING over LAGUNITAS CREEK (Route: 0)
Num: 27P0002x
Posted for load [P]
Built: 1947, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Deck [09]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Wood or Timber [8] with Wearing Surface:

Bridge Dimensions
Length: 34.1 m = 111.9 ft
Main Spans: 1 at 21.9 m = 71.9 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 3 m = 9.8 ft (1 Lanes) and Out-To-Out: 3.5 m = 11.5 ft for a 3 m = 9.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Marin County [041], California [06]
Owned by State Park: Forest: or Reservation Agency [11], DOT District: 4
SAMUEL P TAYLOR STATE PK

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design:
Operating: 17.5 metric ton = 19.3 tons (Load Factor(LF) [1])
Inventory: 10.4 metric ton = 11.4 tons (Load Factor(LF) [1])

Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
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: August 1999 [899] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 1 (1998) and Trucks: 0%
Future ADT: 1 (In 2041 )

SIR-FRANCIS DRAKE over DEVILS GULCH (Route: 0)
Num: 27C0041x
Open: no restriction [A]
Built: 1920, Reconstructed: 1954
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]

Bridge Dimensions
Length: 14.3 m = 46.9 ft
Main Spans: 1 at 6.7 m = 22.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 0 m = 0.0 ft (2 Lanes) and Out-To-Out: 0 m = 0.0 ft for a 10.7 m = 35.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Marin County [041], California [06]
Owned by County Highway Agency [02], DOT District: 4
4.4 MI E OF SR 1

Condition
Deck: Not Applicable [N]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design:
Operating: 32.4 metric ton = 35.6 tons ()
Inventory: 19.4 metric ton = 21.3 tons ()

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: N/A [N]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] 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:
Bridge Detour: 3.1 km = 1.9 mi
Traffic
ADT: 3000 (1975) and Trucks: 10%
Future ADT: 5998 (In 2041 )