183RD AVE SW
Carrying 183RD AVE SW over I-5
1.5 N JCT US 12, Thurston, Washington
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: 183RD AVE SW
The 183RD AVE SW bridge in Thurston, Washington carries 183RD AVE SW over I-5. It was built in 1968, making it 58 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 66,693 vehicles, placing it in the heavily-trafficked tier of Washington bridges.
The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How 183RD AVE SW compares
Live comparison across Washington.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1968
- Material
- Prestressed Concrete
- Avg Daily Traffic
- 66,693 vehicles/day
- Structure Number
- 0008271B0000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether 183RD AVE SW 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 183RD AVE SW against other structures in Thurston 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 183RD AVE SW?
183RD AVE SW in Thurston, Washington on the FHWA's 0–9 scale.
How often is 183RD AVE SW inspected?
183RD AVE SW'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 66,693 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. 183RD AVE SW is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for 183RD AVE SW?
An inventory load rating is not recorded for 183RD AVE SW.
Who is responsible for maintaining 183RD AVE SW?
Ownership is not specified for 183RD AVE SW in the NBI.
How old is 183RD AVE SW and does age affect safety?
183RD AVE SW was built in 1968, making it 58 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.
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.