FHWA NBI 2024 Inspection record Public-domain dataset

E LAKE SAMMAMISH

Carrying E LAKE SAMMAMISH over N FORK ISSAQUAH CREEK

1.3 E JCT SR 900, King, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
48 t Inventory load rating

Bridge Snapshot: E LAKE SAMMAMISH

The E LAKE SAMMAMISH bridge in King, Washington carries E LAKE SAMMAMISH over N FORK ISSAQUAH CREEK. It was built in 2017, making it 9 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.3 meters (24 feet) end to end. Daily traffic averages 35,000 vehicles, placing it in the heavily-trafficked tier of Washington bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert 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 48.3 metric tons.

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

How E LAKE SAMMAMISH compares

▲ 14.8
Load rating vs Washington average (33.5 t)
Top 13%
Higher load rating than 87% of Washington bridges
1,364
Bridges in King · 45 in Poor condition
E LAKE SAMMAMISH 48.3 t
Washington average 33.5 t

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
81.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
15.0
Essentiality /15
11.0
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 How the historical reference is calculated.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

Culvert
8/9
Good (7–9)
Inventory Load Rating
48.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2017
Material
Concrete
Number of Spans
1
Structure Length
7.3 m (24 ft)
Deck Width
28.2 m (93 ft)
Owner
State Highway Agency
Avg Daily Traffic
35,000 vehicles/day
Structure Number
0019040B0000000

How to read this record

This page shows what the last federal inspection recorded, not whether E LAKE SAMMAMISH 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 E LAKE SAMMAMISH against other structures in King 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 E LAKE SAMMAMISH?

E LAKE SAMMAMISH in King, Washington on the FHWA's 0–9 scale.

How often is E LAKE SAMMAMISH inspected?

E LAKE SAMMAMISH'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 35,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. E LAKE SAMMAMISH 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 E LAKE SAMMAMISH?

E LAKE SAMMAMISH has an NBI inventory load rating of 48.3 metric tons.

Who is responsible for maintaining E LAKE SAMMAMISH?

E LAKE SAMMAMISH is owned and maintained by State Highway Agency.

How old is E LAKE SAMMAMISH and does age affect safety?

E LAKE SAMMAMISH was built in 2017, making it 9 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.