FHWA NBI 2024 Inspection record Public-domain dataset

SR 121 / 93RD AVE

Carrying SR 121 / 93RD AVE over I-5

JCT SR 121, Thurston, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: SR 121 / 93RD AVE

The SR 121 / 93RD AVE bridge in Thurston, Washington carries SR 121 / 93RD AVE 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 64,115 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. No reported major component scores in the Poor range under the current federal condition thresholds.

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

How SR 121 / 93RD AVE compares

216
Bridges in Thurston · 1 in Poor condition

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
69.7 / 100 - historical 50–79.9 band
Structural adequacy /55
53.0
Serviceability /30
11.0
Essentiality /15
5.7
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
1968
Material
Prestressed Concrete
Avg Daily Traffic
64,115 vehicles/day
Structure Number
0008271D0000000

How to read this record

This page shows what the last federal inspection recorded, not whether SR 121 / 93RD AVE 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 SR 121 / 93RD AVE 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 SR 121 / 93RD AVE?

SR 121 / 93RD AVE in Thurston, Washington on the FHWA's 0–9 scale.

How often is SR 121 / 93RD AVE inspected?

SR 121 / 93RD AVE'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 64,115 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SR 121 / 93RD AVE 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 SR 121 / 93RD AVE?

An inventory load rating is not recorded for SR 121 / 93RD AVE.

Who is responsible for maintaining SR 121 / 93RD AVE?

Ownership is not specified for SR 121 / 93RD AVE in the NBI.

How old is SR 121 / 93RD AVE and does age affect safety?

SR 121 / 93RD AVE 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.

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.