20 1/2 Ave over Tulare Lake Canal
Kings County, California · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 20 1/2 Ave over Tulare Lake Canal in Kings County, California, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1965, making it 60 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 74 of the 169 inventoried bridges in Kings County rated good (43.8%); 6 (3.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (36.17797, -119.82494)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 43 ft |
| Location | 0.7 Mi N Madison Ave |
| NBI structure number | 45C0139 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Kings County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 198 over 11TH Avenue | 1967 | 27,500 | Good |
| State Route 198 over Hanford-armona Rd | 1964 | 27,500 | Good |
| State Route 198 over 14TH Ave | 1964 | 27,500 | Fair |
| State Route 198 over Last Chance Ditch | 1964 | 27,500 | Fair |
| State Route 198 over Lemoore Canal | 1962 | 21,300 | Fair |
| State Route 198 over BNSF Ry & Amtrak | 1967 | 20,500 | Poor |
All bridges nearby: Kings County, CA bridge conditions · every bridge in Kings County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.