MI 2.8 THOMPSON
Carrying MI 2.8 THOMPSON over ROCKY COULEE WASTEWAY
NR MOSES LAKE WA, Grant, Washington
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
MI 2.8 THOMPSON in Grant, Washington sits above 1% of rated Washington bridges on inventory load rating (8 t), while its 1950 build year is earlier than 83% of Grant's recorded-year cohort (306 bridges).
MI 2.8 THOMPSON in Grant, Washington is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1950, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:11ELC0013
INTERSTATE-ERA · STEEL · SINGLE-SPAN · DECK-LED · TRACE-ADT · LIGHT-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- STEEL Steel
- SINGLE-SPAN Single span
- DECK-LED Deck-led
- TRACE-ADT Trace ADT
- LIGHT-LOAD Light load
- CAT-POOR Poor
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: MI 2.8 THOMPSON
The MI 2.8 THOMPSON bridge in Grant, Washington carries MI 2.8 THOMPSON over ROCKY COULEE WASTEWAY. It was built in 1950, making it 76 years old today. The structure is built primarily of steel and spans 1 section, stretching 24.6 meters (81 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of Washington bridges. It is owned and maintained by Bureau of Reclamation.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
How MI 2.8 THOMPSON compares
Age against the county: built in 1950, earlier than 255 of Grant's 306 bridges with a recorded construction year (83%), against a county median build year of 1967. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Washington bridges with a recorded inventory load rating (8,455 of 8,474 rated).
MI 2.8 THOMPSON vs every rated Washington bridge
Inventory load rating (metric tons), FHWA NBI, this state
8 Top 99% higher than 1% 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
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Grant inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 306 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
- 1950
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 24.6 m (81 ft)
- Deck Width
- 3.8 m (12 ft)
- Owner
- Bureau of Reclamation
- Avg Daily Traffic
- 10 vehicles/day
- Structure Number
- 11ELC0013
Condition Analysis
- • The deck (driving surface) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
MI 2.8 THOMPSON is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare MI 2.8 THOMPSON against other structures in Grant 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 MI 2.8 THOMPSON?
MI 2.8 THOMPSON in Grant, Washington has a deck rating of 4/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is MI 2.8 THOMPSON inspected?
MI 2.8 THOMPSON'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 10 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MI 2.8 THOMPSON is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for MI 2.8 THOMPSON?
MI 2.8 THOMPSON has an NBI inventory load rating of 7.5 metric tons.
Who is responsible for maintaining MI 2.8 THOMPSON?
MI 2.8 THOMPSON is owned and maintained by Bureau of Reclamation.
How old is MI 2.8 THOMPSON and does age affect safety?
MI 2.8 THOMPSON was built in 1950, making it 76 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.
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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
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.