W Putnam Ave over Porter Slough
GoodTulare County, California · City of Porterville · Structure no. 46C0171
- Built
- 1941
- 84 years old
- Condition
- Good
- inspected February 2025
- Type
- Tee Beam
- Concrete Continuous
- Length
- 69 ft
- 4 main spans
- Daily traffic
- 7,200
- 1977 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
W Putnam Ave over Porter Slough is a concrete continuous tee beam carrying W Putnam Ave over Porter Slough in Tulare County, California. It was built in 1941, so it is 84 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,200 vehicles a day, roughly 2% of them trucks, projected to reach 8,259 by 2047. The structure is 69 ft (21 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was W Putnam Ave over Porter Slough built?
It was built in 1941, making it 84 years old in 2025.
What condition is W Putnam Ave over Porter Slough in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.
How much traffic does W Putnam Ave over Porter Slough carry?
About 7,200 vehicles per day (1977 count), of which roughly 2% are trucks.
How long is W Putnam Ave over Porter Slough?
The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 48 ft wide.
Who owns W Putnam Ave over Porter Slough?
It is owned by the City or Municipal Highway Agency.