N Marine DR over B-49 over Bnrr
FairMultnomah County, Oregon · Rivergate near Smith Lake · Structure no. 17199 000 B-49
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 306 ft
- 3 main spans
- Daily traffic
- 11,148
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
N Marine DR over B-49 over Bnrr is a prestressed concrete stringer/multi-beam or girder carrying N Marine DR over B-49 over Bnrr in Multnomah County, Oregon. It was built in 1995, so it is 30 years old, younger than the Oregon average of 49.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 11,148 vehicles a day, roughly 10% of them trucks, projected to reach 11,898 by 2025. The structure is 306 ft (93.3 m) long and 70 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N Marine DR over B-49 over Bnrr built?
It was built in 1995, making it 30 years old in 2025.
What condition is N Marine DR over B-49 over Bnrr in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does N Marine DR over B-49 over Bnrr carry?
About 11,148 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is N Marine DR over B-49 over Bnrr?
The structure is 306 ft (93.3 m) long with a longest span of 111 ft (33.8 m) and a deck 70 ft wide.
Who owns N Marine DR over B-49 over Bnrr?
It is owned by the City or Municipal Highway Agency.