SR 29 over Bale Slough

Good Condition31 years old26,000 vehicles/day

Location

StateCalifornia
CountyNapa
Location04-nap-029-25.40
CarriesSR 29
CrossesBale Slough
Coordinates38.46871, -122.43014

Condition Ratings

Overall ConditionGood
Channel/Waterway7 (Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length42.0 ft (12.8 m)
Max Span12.1 ft (3.7 m)
Deck Width43.3 ft (13.2 m)
Deck Area169.0 sq m
Main Spans3
Year Built1995

Traffic

Avg Daily Traffic26,000 (2017)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number21 0106

Nearby Bridges

State Route 128 over Hopper Slough 0.9 mi Poor State Route 128 over Napa River 1.0 mi Fair Zinfandel Lane over Napa River 1.8 mi Fair State Route 128 over Conn Creek 1.8 mi Good Skellenger Lane over Conn Creek 2.3 mi Fair Oakville Crossroad over Napa River 2.7 mi Good Valleyview ST over Sulphur Creek 2.8 mi Good Oakville Cross RD over Conn Creek Overflow 3.0 mi Good State Route 29 over Sulphur Creek 3.0 mi Fair Oakville Cross RD over Conn Creek 3.1 mi Fair