Walnut Grove Xing over Sacramento River
Sacramento County, California · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Walnut Grove Xing over Sacramento River in Sacramento County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1952, making it 73 years old at the 2025 inventory.
- It carries about 6,626 vehicles a day (traffic count year 2009).
- Its listed owner is the county highway agency.
- It is one of 329 of the 737 inventoried bridges in Sacramento County rated fair (44.6%); 16 (2.2%) are rated poor.
- Its traffic status in the 2025 inventory is posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: superstructure 7 to 5, deck 5 to 6.
- Its most recent inspection on record is dated April 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (38.24245, -121.51559)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 6 | Satisfactory condition |
| Superstructure | 7 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel movable bascule |
| Length | about 301 ft |
| Location | In Walnut Grove |
| NBI structure number | 24C0005 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for another load-capacity restriction (speed, number of vehicles on the bridge, etc.) |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Sacramento County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. Highway 50 over 39TH Street | 1971 | 231,000 | Good |
| U.S. Highway 50 over 65TH Street | 1971 | 231,000 | Good |
| Interstate 80 over Winters Street | 1970 | 200,000 | Good |
| State Route 99 over 21ST Ave | 1959 | 193,000 | Good |
| State Route 99 over 2ND Ave | 1959 | 193,000 | Good |
| State Route 99 over Broadway | 1961 | 193,000 | Good |
All bridges nearby: Sacramento County, CA bridge conditions · every bridge in Sacramento County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.