S70-s99 Connector over State Route 99
Sutter County, California · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S70-s99 Connector over State Route 99 in Sutter County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 10,400 vehicles a day (traffic count year 1998).
- Its listed owner is the state highway agency.
- It is one of 64 of the 121 inventoried bridges in Sutter County rated fair (52.9%); 16 (13.2%) 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 → (38.85232, -121.54464)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete multiple box beam |
| Length | about 389 ft |
| Location | 03-sut-070-r0.06 |
| NBI structure number | 18 0046F |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Sutter County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 5TH Street over Feather River | 2019 | 67,000 | Good |
| 5TH Street over 2ND Street Sutter Street | 2019 | 67,000 | Good |
| State Route 20 over Feather River K St UP RR | 1947 | 48,000 | Fair |
| State Route 20 over Abandoned UP RR Spur | 1946 | 41,750 | Good |
| State Route 20 over Sutter Street | 1946 | 41,750 | Good |
| State Route 99 SB over Cross Canal | 1949 | 18,750 | Fair |
All bridges nearby: Sutter County, CA bridge conditions · every bridge in Sutter County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.