Towle Ave over Johnson Creek
Multnomah County, Oregon · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Towle Ave over Johnson Creek in Multnomah County, Oregon, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 10,101 vehicles a day (traffic count year 2020).
- Its listed owner is a city or municipal highway agency.
- It is one of 56 of the 473 inventoried bridges in Multnomah County rated good (11.8%); 12 (2.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now good (deck 7 to 8, superstructure 7 to 8, substructure 5 to 8).
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (45.49013, -122.4479)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 8 | Very good condition |
| Superstructure | 7 | 8 | Very good condition |
| Substructure | 5 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 62 ft |
| Location | 005 Mi S US 26 |
| NBI structure number | 16383 000 00049 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.
Busiest bridges in Multnomah County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Hwy 064 over Division St | 1979 | 166,664 | Fair |
| Hwy 064 over Hwy 026 | 1979 | 166,664 | Fair |
| Hwy 064 over Hwy 064 Conn 2 | 1979 | 161,490 | Fair |
| Hwy 064 over Harold St | 1978 | 151,700 | Fair |
| Hwy 002 over OXNG Hwy 002 WB Conn | 1955 | 151,336 | Fair |
| Hwy 064 over Columbia River | 1982 | 148,936 | Fair |
All bridges nearby: Multnomah County, OR bridge conditions · every bridge in Multnomah County · Oregon bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.