FHWA NBI 2024 Inspection record Public-domain dataset

MERIDIAN RD

Carrying MERIDIAN RD over I-5

1.2 N JCT SR 510, Thurston, Washington

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: MERIDIAN RD

The MERIDIAN RD bridge in Thurston, Washington carries MERIDIAN RD 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 99,770 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. None of this bridge's reported major components fall into the Poor condition range.

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

How MERIDIAN RD compares

216
Bridges in Thurston · 1 in Poor condition

Live comparison across Washington.

Historical Sufficiency Rating

PlainBridge-computed
65.0 / 100 - historical 50–79.9 band
Structural adequacy /55
46.1
Serviceability /30
10.0
Essentiality /15
10.9
Special reductions
−2.0

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 How the historical reference is calculated.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
99,770 vehicles/day
Structure Number
0008100D0000000

How to read this record

This page shows what the last federal inspection recorded, not whether MERIDIAN RD 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 MERIDIAN RD 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 MERIDIAN RD?

MERIDIAN RD in Thurston, Washington on the FHWA's 0–9 scale.

How often is MERIDIAN RD inspected?

MERIDIAN RD'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 99,770 vehicles per day.

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

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

An inventory load rating is not recorded for MERIDIAN RD.

Who is responsible for maintaining MERIDIAN RD?

Ownership is not specified for MERIDIAN RD in the NBI.

How old is MERIDIAN RD and does age affect safety?

MERIDIAN RD 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.