STATE ROUTE 128 over HOPPER SLOUGH
04-NAP-128-5.12 · County 055, California · Built 1921 · 2 Lanes · 2,075 vehicles/day
Structurally Deficient
— One or more key components rated 4 (Poor) or below
Overall
Deck
6
Satisfactory
Superstructure
6
Satisfactory
Substructure
3
Serious
Condition Ratings
| Component | Rating | Description |
|---|---|---|
| Deck | 6 | Satisfactory |
| Superstructure | 6 | Satisfactory |
| Substructure | 3 | Serious |
Location
38.464453, -122.412556
This bridge is in worse condition than 98.8% of bridges in County 055. The average bridge in California is 0 years old; this one is 105 years old.
Nearby Bridges
STATE ROUTE 128 over NAPA RIVER
Built 1981
SR 29 over BALE SLOUGH
Built 1995
SKELLENGER LANE over CONN CREEK
Built 1930
STATE ROUTE 128 over CONN CREEK
Built 2020
OAKVILLE CROSSROAD over NAPA RIVER
Built 2016
OAKVILLE CROSS RD over CONN CREEK OVERFLOW
Built 1925
OAKVILLE CROSS RD over CONN CREEK
Built 1967
ZINFANDEL LANE over NAPA RIVER
Built 1913
SR 29 over TO KALON CREEK
Built 1995
CONN VALLEY RD over CONN CREEK
Built 1920
Bridge Details
- Structure #
- 21 0019
- Year Built
- 1921
- Length
- 12.5 m (41 ft)
- Max Span
- 11.9 m
- Width
- 6.9 m (22.6 ft)
- Lanes
- 2
- Daily Traffic
- 2,075
- Material
- Concrete
- Design
- Girder and Floorbeam System
- Owner
- State Highway Agency
- Last Inspected
- N/A
- Est. Improvement
- $86,000
- Total Project Cost
- $141,000
Data from FHWA National Bridge Inventory. Bridge conditions may have changed since the last inspection. This site is not affiliated with FHWA. Do not use for route clearance purposes.