S880-w Grand Offrp over UP RR BNSF Ry Amtrak Por
Alameda County, California · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S880-w Grand Offrp over UP RR BNSF Ry Amtrak Por in Alameda County, California, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1994, making it 31 years old at the 2025 inventory.
- It carries about 5,000 vehicles a day (traffic count year 2000).
- Its listed owner is the state highway agency.
- It is one of 264 of the 662 inventoried bridges in Alameda County rated good (39.9%); 42 (6.3%) 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 March 2023, 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 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 → (37.81993, -122.29358)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 1,730 ft |
| Location | 04-ala-880-r34.50l |
| NBI structure number | 33 0611K |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Alameda County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 80 over Gilman Street | 1955 | 550,000 | Good |
| Interstate 80 over Powell Street | 1954 | 531,000 | Good |
| Interstate 80 over Buried Walkway | 1954 | 531,000 | Fair |
| Interstate 80 over Temescal Creek | 1936 | 288,000 | Good |
| Interstate 580 over Maple Ave | 1963 | 274,000 | Fair |
| Interstate 80 WB over UP BNSF Amtrak E80-w580 | 1960 | 271,000 | Good |
All bridges nearby: Alameda County, CA bridge conditions · every bridge in Alameda County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.