Tiedeman Ave over Fanno Creek
GoodWashington County, Oregon · 003 MI South Tigard ST · Structure no. 18015 243900000
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 67 ft
- 1 main span
- Daily traffic
- 7,083
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Tiedeman Ave over Fanno Creek is a prestressed concrete slab carrying Tiedeman Ave over Fanno Creek in Washington County, Oregon. It was built in 1998, so it is 27 years old, younger than the Oregon average of 49.9 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 7,083 vehicles a day, roughly 5% of them trucks, projected to reach 7,812 by 2025. The structure is 67 ft (20.4 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Tiedeman Ave over Fanno Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is Tiedeman Ave over Fanno Creek 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 July 2024.
How much traffic does Tiedeman Ave over Fanno Creek carry?
About 7,083 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is Tiedeman Ave over Fanno Creek?
The structure is 67 ft (20.4 m) long with a longest span of 66 ft (20 m) and a deck 59 ft wide.
Who owns Tiedeman Ave over Fanno Creek?
It is owned by the City or Municipal Highway Agency.