FHWA NBI 2024 Inspection record Public-domain dataset

RIVERSIDE DRIVE

Carrying RIVERSIDE DRIVE over SKAGIT RIVER

0.7 N JCT SR 538, Skagit, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
46 t Inventory load rating

Bridge Snapshot: RIVERSIDE DRIVE

The RIVERSIDE DRIVE bridge in Skagit, Washington carries RIVERSIDE DRIVE over SKAGIT RIVER. It was built in 2004, making it 22 years old today. The structure is built primarily of prestressed concrete continuous and spans 5 sections, stretching 259.1 meters (850 feet) end to end. Daily traffic averages 21,640 vehicles, placing it in the heavily-trafficked tier of Washington bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 46.0 metric tons.

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

How RIVERSIDE DRIVE compares

▲ 12.5
Load rating vs Washington average (33.5 t)
Top 16%
Higher load rating than 84% of Washington bridges
256
Bridges in Skagit · 5 in Poor condition
RIVERSIDE DRIVE 46.0 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
75.6 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
12.0
Essentiality /15
8.6
Special reductions
0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
46.0 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2004
Material
Prestressed Concrete Continuous
Number of Spans
5
Structure Length
259.1 m (850 ft)
Deck Width
21.8 m (72 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
21,640 vehicles/day
Structure Number
087257000000000

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether RIVERSIDE DRIVE 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 RIVERSIDE DRIVE against other structures in Skagit 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 RIVERSIDE DRIVE?

RIVERSIDE DRIVE in Skagit, Washington has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is RIVERSIDE DRIVE inspected?

RIVERSIDE DRIVE'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 21,640 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. RIVERSIDE DRIVE 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 RIVERSIDE DRIVE?

RIVERSIDE DRIVE has an NBI inventory load rating of 46.0 metric tons.

Who is responsible for maintaining RIVERSIDE DRIVE?

RIVERSIDE DRIVE is owned and maintained by City/Municipal Highway Agency.

How old is RIVERSIDE DRIVE and does age affect safety?

RIVERSIDE DRIVE was built in 2004, making it 22 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.