CLOW CORNER ROAD
Carrying CLOW CORNER ROAD over N FORK ASH CREEK
012 W STATE HWY 99W, Polk, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: CLOW CORNER ROAD
The CLOW CORNER ROAD bridge in Polk, Oregon carries CLOW CORNER ROAD over N FORK ASH CREEK. It was built in 1957, making it 69 years old today. It was last reconstructed in 1980, extending its service life. The structure is built primarily of concrete continuous and spans 3 sections, stretching 26.2 meters (86 feet) end to end. Daily traffic averages 6,536 vehicles, placing it in the moderately-trafficked tier of Oregon bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 3/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 27.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How CLOW CORNER ROAD compares
Live comparison across Oregon.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1957
- Last Reconstructed
- 1980
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 26.2 m (86 ft)
- Deck Width
- 13.2 m (43 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 6,536 vehicles/day
- Structure Number
- 53C009085200225
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
CLOW CORNER ROAD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare CLOW CORNER ROAD against other structures in Polk and across Oregon. Oregon bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for CLOW CORNER ROAD?
CLOW CORNER ROAD in Polk, Oregon has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is CLOW CORNER ROAD inspected?
CLOW CORNER ROAD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 6,536 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CLOW CORNER ROAD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for CLOW CORNER ROAD?
CLOW CORNER ROAD has an NBI inventory load rating of 27.2 metric tons.
Who is responsible for maintaining CLOW CORNER ROAD?
CLOW CORNER ROAD is owned and maintained by County Highway Agency.
How old is CLOW CORNER ROAD and does age affect safety?
CLOW CORNER ROAD was built in 1957, making it 69 years old and last reconstructed in 1980.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.