Bridge Type
Main Span(s): Concrete [1] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 10.5 m = 34.5 ft
Main Spans: 1 at 10.2 m = 33.5 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 23 m = 75.5 ft (4 Lanes) and Out-To-Out: 45.5 m = 149.3 ft for a 18.9 m = 62.0 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
DANVILLE BLVD
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 87.5 metric ton = 96.3 tons (Load Factor(LF) [1])
Inventory: 52.8 metric ton = 58.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: 0.2 km = 0.1 mi
Traffic
ADT: 9392 (2013) and Trucks: 4%
Future ADT: 15064 (In 2036
)