FHWA NBI 2024 Inspection record Public-domain dataset

Hwy 1 Front Rd. Rt

Carrying Hwy 1 Front Rd. Rt over Miller Creek

003 MI N JEFFERSON JCT, Marion, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: Hwy 1 Front Rd. Rt

The Hwy 1 Front Rd. Rt bridge in Marion, Oregon carries Hwy 1 Front Rd. Rt over Miller Creek. It was built in 1957, making it 69 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 6.1 meters (20 feet) end to end. Daily traffic averages 1,096 vehicles, placing it in the moderately-trafficked tier of Oregon bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 26.2 metric tons.

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

How Hwy 1 Front Rd. Rt compares

▼ 6.1
Load rating vs Oregon average (32.3 t)
Bottom 38%
Lower load rating than 62% of Oregon bridges
373
Bridges in Marion · 16 in Poor condition
Hwy 1 Front Rd. Rt 26.2 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
92.2 / 100 - historical 80–100 band
Structural adequacy /55
50.0
Serviceability /30
30.0
Essentiality /15
12.3
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
26.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1957
Material
Concrete Continuous
Number of Spans
2
Structure Length
6.1 m (20 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,096 vehicles/day
Structure Number
07940 001F24519

How to read this record

This page shows what the last federal inspection recorded, not whether Hwy 1 Front Rd. Rt 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 Hwy 1 Front Rd. Rt against other structures in Marion 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 Hwy 1 Front Rd. Rt?

Hwy 1 Front Rd. Rt in Marion, Oregon on the FHWA's 0–9 scale.

How often is Hwy 1 Front Rd. Rt inspected?

Hwy 1 Front Rd. Rt'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 1,096 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Hwy 1 Front Rd. Rt 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 Hwy 1 Front Rd. Rt?

Hwy 1 Front Rd. Rt has an NBI inventory load rating of 26.2 metric tons.

Who is responsible for maintaining Hwy 1 Front Rd. Rt?

Hwy 1 Front Rd. Rt is owned and maintained by State Highway Agency.

How old is Hwy 1 Front Rd. Rt and does age affect safety?

Hwy 1 Front Rd. Rt was built in 1957, making it 69 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.