Crystal Cave Road over Marble Fork Kaweah River
Tulare County, California · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Crystal Cave Road over Marble Fork Kaweah River in Tulare County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1993, making it 32 years old at the 2025 inventory.
- It carries about 84 vehicles a day (traffic count year 2013).
- It is one of 330 of the 607 inventoried bridges in Tulare County rated fair (54.4%); 18 (3.0%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (36.57581, -118.78637)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete single box beam |
| Length | about 140 ft |
| Location | 14.3 Mi. NE of Ash Mt. En |
| NBI structure number | 8550002P0000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Tulare County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 99 over Packwood Creek | 1923 | 52,000 | Fair |
| State Route 99 over Cameron Creek | 1951 | 52,000 | Fair |
| State Route 99 SB over UP RR | 1977 | 52,000 | Fair |
| State Route 99 NB over UP RR | 1977 | 52,000 | Good |
| State Route 99 SB over SR 198 EB E198-n99 Conn | 1977 | 52,000 | Fair |
| State Route 99 NB over SR 198 EB E198-n99 Conn | 1977 | 52,000 | Good |
All bridges nearby: Tulare County, CA bridge conditions · every bridge in Tulare County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.