Custer School RD over I-5 Ramp
GoodWhatcom County, Washington · 3.0 N JCT SR 548 · Structure no. 0006857B0000000
- Built
- 1962
- 63 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 270 ft
- 5 main spans
- Daily traffic
- 1,166
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Custer School RD over I-5 Ramp is a prestressed concrete stringer/multi-beam or girder carrying Custer School RD over I-5 Ramp in Whatcom County, Washington. It was built in 1962, so it is 63 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,166 vehicles a day, roughly 5% of them trucks, projected to reach 1,767 by 2042. The structure is 270 ft (82.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Custer School RD over I-5 Ramp built?
It was built in 1962, making it 63 years old in 2025.
What condition is Custer School RD over I-5 Ramp in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does Custer School RD over I-5 Ramp carry?
About 1,166 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Custer School RD over I-5 Ramp?
The structure is 270 ft (82.3 m) long with a longest span of 61 ft (18.6 m) and a deck 33 ft wide.
Who owns Custer School RD over I-5 Ramp?
It is owned by the State Highway Agency.