FHWA NBI 2024 Inspection record Public-domain dataset

LINN WEST DR

Carrying LINN WEST DR over SODOM DITCH

055MI EAST SHEDD, Linn, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
30 t Inventory load rating

Bridge Snapshot: LINN WEST DR

The LINN WEST DR bridge in Linn, Oregon carries LINN WEST DR over SODOM DITCH. It was built in 1977, making it 49 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 36.9 meters (121 feet) end to end. Daily traffic averages 1,133 vehicles, placing it in the moderately-trafficked tier of Oregon bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 29.8 metric tons.

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

How LINN WEST DR compares

▼ 2.5
Load rating vs Oregon average (32.3 t)
Bottom 49%
Lower load rating than 51% of Oregon bridges
567
Bridges in Linn · 100 in Poor condition
LINN WEST DR 29.8 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
90.5 / 100 - historical 80–100 band
Structural adequacy /55
53.6
Serviceability /30
24.6
Essentiality /15
14.3
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 How the historical reference is calculated.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

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
29.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1977
Material
Prestressed Concrete
Number of Spans
1
Structure Length
36.9 m (121 ft)
Deck Width
10.0 m (33 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,133 vehicles/day
Structure Number
12553A002600308

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether LINN WEST DR 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 LINN WEST DR against other structures in Linn and across Oregon. Oregon 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 LINN WEST DR?

LINN WEST DR in Linn, Oregon has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is LINN WEST DR inspected?

LINN WEST DR'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 1,133 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LINN WEST DR is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for LINN WEST DR?

LINN WEST DR has an NBI inventory load rating of 29.8 metric tons.

Who is responsible for maintaining LINN WEST DR?

LINN WEST DR is owned and maintained by County Highway Agency.

How old is LINN WEST DR and does age affect safety?

LINN WEST DR was built in 1977, making it 49 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.