STATE ROUTE 4 over OLD RIVER
10-SJ-004-0.01 · County 077, California · Built 1915 · 2 Lanes · 8,200 vehicles/day
Structurally Deficient
— One or more key components rated 4 (Poor) or below
Overall
Deck
4
Poor
Superstructure
7
Good
Substructure
5
Fair
Condition Ratings
| Component | Rating | Description |
|---|---|---|
| Deck | 4 | Poor |
| Superstructure | 7 | Good |
| Substructure | 5 | Fair |
Location
37.891517, -121.570169
This bridge is in worse condition than 90.4% of bridges in County 077. The average bridge in California is 0 years old; this one is 111 years old.
Nearby Bridges
STATE ROUTE 4 over KENDALL CREEK OVERFLOW
Built 1990
CLIPPER DRIVE over FRISK CREEK
Built 1987
NEWPORT DRIVE over KELLOGG CREEK
Built 1987
STATE ROUTE 4 over KELLOGG CREEK
Built 1990
WOODWARD ISLAND RD over MIDDLE RIVER
Built 2020
BYRON HWY over KELLOGG CREEK
Built 1940
ORWOOD ROAD over WERNER DREDGER CUT
Built 2016
CLIFTON COURT ROAD over ITALIAN SLOUGH
Built 1950
BYRON HWY over E CONTRA COSTA ID CANAL
Built 1968
STATE ROUTE 4 over MIDDLE RIVER
Built 1915
Bridge Details
- Structure #
- 29 0045
- Year Built
- 1915
- Length
- 160.9 m (527.9 ft)
- Max Span
- 40.2 m
- Width
- 6.6 m (21.7 ft)
- Lanes
- 2
- Daily Traffic
- 8,200
- Material
- Steel
- Design
- Movable - Swing
- Owner
- State Highway Agency
- Last Inspected
- N/A
- Est. Improvement
- $2,447,000
- Total Project Cost
- $4,111,000
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.