FHWA NBI 2024 Inspection record Public-domain dataset

SWAN BAY ROAD

Carrying SWAN BAY ROAD over BIG RIVER

00.13 S JCT CR91460, Clallam, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
17 t Inventory load rating

Bridge Snapshot: SWAN BAY ROAD

The SWAN BAY ROAD bridge in Clallam, Washington carries SWAN BAY ROAD over BIG RIVER. It was built in 1983, making it 43 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 25.0 meters (82 feet) end to end. Daily traffic averages 33 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 7/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 16.5 metric tons.

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

How SWAN BAY ROAD compares

▼ 17.0
Load rating vs Washington average (33.5 t)
Bottom 9%
Lower load rating than 91% of Washington bridges
152
Bridges in Clallam · 9 in Poor condition
SWAN BAY ROAD 16.5 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
70.0 / 100 - historical 50–79.9 band
Structural adequacy /55
34.4
Serviceability /30
29.0
Essentiality /15
14.7
Special reductions
−8.0

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 How the historical reference is calculated.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
16.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1983
Material
Wood or Timber
Number of Spans
1
Structure Length
25.0 m (82 ft)
Deck Width
8.4 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
33 vehicles/day
Structure Number
079963000000000

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • 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 SWAN BAY ROAD 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 SWAN BAY ROAD against other structures in Clallam 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 SWAN BAY ROAD?

SWAN BAY ROAD in Clallam, 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 SWAN BAY ROAD inspected?

SWAN BAY 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 33 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SWAN BAY ROAD 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 SWAN BAY ROAD?

SWAN BAY ROAD has an NBI inventory load rating of 16.5 metric tons.

Who is responsible for maintaining SWAN BAY ROAD?

SWAN BAY ROAD is owned and maintained by County Highway Agency.

How old is SWAN BAY ROAD and does age affect safety?

SWAN BAY ROAD was built in 1983, making it 43 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.