FHWA NBI 2024 Inspection record Public-domain dataset

FERRY RAMP

Carrying FERRY RAMP over COLUMBIA R/SR 409

0.0 S SR 409, Wahkiakum, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
26 t Inventory load rating

Bridge Snapshot: FERRY RAMP

The FERRY RAMP bridge in Wahkiakum, Washington carries FERRY RAMP over COLUMBIA R/SR 409. It was built in 2010, making it 16 years old today. The structure is built primarily of steel and spans 2 sections, stretching 55.5 meters (182 feet) end to end. Daily traffic averages 200 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 25.6 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How FERRY RAMP compares

▼ 7.9
Load rating vs Washington average (33.5 t)
Bottom 36%
Lower load rating than 64% of Washington bridges
36
Bridges in Wahkiakum · 1 in Poor condition
FERRY RAMP 25.6 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
91.5 / 100 - historical 80–100 band
Structural adequacy /55
49.2
Serviceability /30
29.0
Essentiality /15
14.0
Special reductions
−0.7

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
25.6 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
2010
Material
Steel
Number of Spans
2
Structure Length
55.5 m (182 ft)
Deck Width
9.1 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
200 vehicles/day
Structure Number
088247000000000

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether FERRY RAMP is safe to cross today. Here is how to use it.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
  • Compare FERRY RAMP against other structures in Wahkiakum and across Washington. Washington 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 FERRY RAMP?

FERRY RAMP in Wahkiakum, Washington has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is FERRY RAMP inspected?

FERRY RAMP'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 200 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. FERRY RAMP is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for FERRY RAMP?

FERRY RAMP has an NBI inventory load rating of 25.6 metric tons.

Who is responsible for maintaining FERRY RAMP?

FERRY RAMP is owned and maintained by County Highway Agency.

How old is FERRY RAMP and does age affect safety?

FERRY RAMP was built in 2010, making it 16 years old.

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.