FHWA NBI 2024 Inspection record Public-domain dataset

MCDOWELL CR DRIVE

Carrying MCDOWELL CR DRIVE over WILLOW CREEK EB

007 MI EAST OF HWY 20, Linn, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: MCDOWELL CR DRIVE

The MCDOWELL CR DRIVE bridge in Linn, Oregon carries MCDOWELL CR DRIVE over WILLOW CREEK EB. It was built in 1958, making it 68 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 20.4 meters (67 feet) end to end. Daily traffic averages 670 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 3/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 31.8 metric tons.

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

How MCDOWELL CR DRIVE compares

▼ 0.5
Load rating vs Oregon average (32.3 t)
Top 46%
Higher load rating than 54% of Oregon bridges
567
Bridges in Linn · 100 in Poor condition
MCDOWELL CR DRIVE 31.8 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
41.2 / 100 - historical 20–49.9 band
Structural adequacy /55
14.8
Serviceability /30
13.2
Essentiality /15
13.2
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 How the historical reference is calculated.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

Deck
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
3/9
Poor (1–4)
Inventory Load Rating
31.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1958
Material
Concrete
Number of Spans
3
Structure Length
20.4 m (67 ft)
Deck Width
8.7 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
670 vehicles/day
Structure Number
11950A072900068

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

MCDOWELL CR DRIVE 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 MCDOWELL CR DRIVE 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 MCDOWELL CR DRIVE?

MCDOWELL CR DRIVE in Linn, Oregon has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is MCDOWELL CR DRIVE inspected?

MCDOWELL CR DRIVE'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 670 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MCDOWELL CR DRIVE 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 MCDOWELL CR DRIVE?

MCDOWELL CR DRIVE has an NBI inventory load rating of 31.8 metric tons.

Who is responsible for maintaining MCDOWELL CR DRIVE?

MCDOWELL CR DRIVE is owned and maintained by County Highway Agency.

How old is MCDOWELL CR DRIVE and does age affect safety?

MCDOWELL CR DRIVE was built in 1958, making it 68 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.