YGNACIO VALLEY RD over WALNUT CREEK (Route: 0)
Num: 28C0063x
Open: no restriction [A]
Built: 1975, 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): Prestressed concrete [5] Tee beam [04]
Approach Span(s): Other [00]
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: 14.8 m = 48.6 ft
Main Spans: 1 at 14.6 m = 47.9 ft
Approach Spans: 0
Skew: 31
Width, Roadway: 22.6 m = 74.2 ft (6 Lanes) and Out-To-Out: 32.9 m = 107.9 ft for a 22.6 m = 74.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Walnut Creek [83346]: Contra Costa County [013], California [06]
Owned by City or Municipal Highway Agency [04], DOT District: 4
0.8 MI E OF I 680

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 61.2 metric ton = 67.3 tons (Load Factor(LF) [1])
Inventory: 32.4 metric ton = 35.6 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Superior to present desirable criteria [9]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: January 1999 [199] and Frequency: 48

Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 63000 (2013) and Trucks: 2%
Future ADT: 31836 (In 2036 )

LINCOLN AVE over WALNUT CREEK (Route: 0)
Num: 28C0035x
Open: no restriction [A]
Built: 1957, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:

Bridge Dimensions
Length: 33.5 m = 109.9 ft
Main Spans: 3 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 16.3 m = 53.5 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Walnut Creek [83346]: Contra Costa County [013], California [06]
Owned by City or Municipal Highway Agency [04], DOT District: 4
0.1 MI E NORTH BROADWAY

Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design:
Operating: 55.7 metric ton = 61.3 tons (Load Factor(LF) [1])
Inventory: 33.4 metric ton = 36.7 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: January 2021 [0121] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 1042 (2013) and Trucks: 2%
Future ADT: 2690 (In 2038 )

N. BROADWAY over WALNUT CREEK (Route: 0)
Num: 28C0185x
Open: no restriction [A]
Built: 1971, Reconstructed: N/A [0000]
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] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:

Bridge Dimensions
Length: 20.4 m = 66.9 ft
Main Spans: 1 at 13.4 m = 44.0 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 18.4 m = 60.4 ft (5 Lanes) and Out-To-Out: 24.4 m = 80.1 ft for a 24.7 m = 81.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Walnut Creek [83346]: Contra Costa County [013], California [06]
Owned by City or Municipal Highway Agency [04], DOT District: 4
B/W LINCOLN & DUNCAN ST.

Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 29.5 metric ton = 32.5 tons ()
Inventory: 17.8 metric ton = 19.6 tons ()

Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: January 2021 [0121] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 20905 (2019) and Trucks: 6%
Future ADT: 37195 (In 2041 )

DUNCAN STREET over WALNUT CREEK (Route: 0)
Num: 28C0514x
Open: no restriction [A]
Built: 1971, 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): Concrete continuous [2] Slab [01]
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: 21.9 m = 71.9 ft
Main Spans: 3 at 6.9 m = 22.6 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 11.3 m = 37.1 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
Walnut Creek [83346]: Contra Costa County [013], California [06]
Owned by City or Municipal Highway Agency [04], DOT District: 4
AT N. BROADWAY STREET

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 40.5 metric ton = 44.6 tons ()
Inventory: 24.3 metric ton = 26.7 tons ()

Appraisal
Structural: Equal to present minimum criteria [6]
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: January 2021 [0121] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 5000 (2019) and Trucks: 0%
Future ADT: 7500 (In 2038 )

MT. DIABLO BLVD over SAN RAMON CREEK (Route: 0)
Num: 28C0516x
Open: no restriction [A]
Built: 1971, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Culvert [19]
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: 7 m = 23.0 ft
Main Spans: 1 at 7 m = 23.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 18.3 m = 60.0 ft (5 Lanes) and Out-To-Out: 23.8 m = 78.1 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
Walnut Creek [83346]: Contra Costa County [013], California [06]
Owned by City or Municipal Highway Agency [04], DOT District: 4
50 FT W. OF N. BROADWAY

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design:
Operating: 40.5 metric ton = 44.6 tons ()
Inventory: 24.3 metric ton = 26.7 tons ()

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
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: January 2021 [0121] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 14294 (2019) and Trucks: 0%
Future ADT: 28000 (In 2038 )