FHWA NBI 2024 Inspection record Public-domain dataset

SR307

Carrying SR307 over Dogfish Creek

0.1 N JCT SR 305, Kitsap, Washington

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
37 t Inventory load rating Higher than 65% of rated Washington bridges

SR307 in Kitsap, Washington sits above 65% of rated Washington bridges on inventory load rating (37 t), while its 2007 build year is earlier than 22% of Kitsap's recorded-year cohort (115 bridges).

SR307 in Kitsap, Washington is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2007, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 8. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure WA:0017164A0000000

POST-2000 · CONCRETE · SINGLE-SPAN · CULVERT-LED · HEAVY-ADT · STANDARD-LOAD · CAT-GOOD

  • POST-2000 2000+
  • CONCRETE Concrete
  • SINGLE-SPAN Single span
  • CULVERT-LED Culvert-led
  • HEAVY-ADT Heavy ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: SR307

The SR307 bridge in Kitsap, Washington carries SR307 over Dogfish Creek. It was built in 2007, making it 19 years old today. The structure is built primarily of concrete and spans 1 section, stretching 6.7 meters (22 feet) end to end. Daily traffic averages 19,256 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.

How SR307 compares

▲ 2.6
Load rating vs Washington average (34.0 t; 8,455 of 8,474 rated)
115
Bridges in Kitsap · 1 in Poor condition

Age against the county: built in 2007, earlier than 25 of Kitsap's 115 bridges with a recorded construction year (22%), against a county median build year of 1988. This is one of the newer structures in its county.

SR307 36.6 t
Washington average (8,455 of 8,474 rated) 34.0 t

Live comparison across Washington bridges with a recorded inventory load rating (8,455 of 8,474 rated).

SR307 vs every rated Washington bridge

Inventory load rating (metric tons), FHWA NBI, this state

37 Top 35% higher than 65% of 8,455 bridges

rated Washington bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

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

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

Kitsap inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 115 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
2007
Material
Concrete
Number of Spans
1
Structure Length
6.7 m (22 ft)
0
Owner
State Highway Agency
Avg Daily Traffic
19,256 vehicles/day
Structure Number
0017164A0000000

How to read this record

This page shows what the last federal inspection recorded, not whether SR307 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 SR307 against other structures in Kitsap 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 SR307?

SR307 in Kitsap, Washington on the FHWA's 0–9 scale.

How often is SR307 inspected?

SR307'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 19,256 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR307 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 SR307?

SR307 has an NBI inventory load rating of 36.6 metric tons.

Who is responsible for maintaining SR307?

SR307 is owned and maintained by State Highway Agency.

How old is SR307 and does age affect safety?

SR307 was built in 2007, making it 19 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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.