FHWA NBI 2024 Inspection record Public-domain dataset

LOWER EIGHTMILE RD

Carrying LOWER EIGHTMILE RD over EIGHTMILE CREEK

3.8 MI N OF HWY 197, Wasco, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: LOWER EIGHTMILE RD

The LOWER EIGHTMILE RD bridge in Wasco, Oregon carries LOWER EIGHTMILE RD over EIGHTMILE CREEK. It was built in 1922, making it 104 years old today. The structure is built primarily of concrete and spans 1 section, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 75 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 5/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 18.1 metric tons.

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

How LOWER EIGHTMILE RD compares

▼ 14.2
Load rating vs Oregon average (32.3 t)
Bottom 15%
Lower load rating than 85% of Oregon bridges
148
Bridges in Wasco · 12 in Poor condition
LOWER EIGHTMILE RD 18.1 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
57.4 / 100 - historical 50–79.9 band
Structural adequacy /55
27.4
Serviceability /30
18.0
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
18.1 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1922
Material
Concrete
Number of Spans
1
Structure Length
10.7 m (35 ft)
Deck Width
6.9 m (23 ft)
Owner
County Highway Agency
Avg Daily Traffic
75 vehicles/day
Structure Number
00894 182 00394

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether LOWER EIGHTMILE 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 LOWER EIGHTMILE RD against other structures in Wasco 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 LOWER EIGHTMILE RD?

LOWER EIGHTMILE RD in Wasco, Oregon has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is LOWER EIGHTMILE RD inspected?

LOWER EIGHTMILE 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 75 vehicles per day.

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

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

LOWER EIGHTMILE RD has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining LOWER EIGHTMILE RD?

LOWER EIGHTMILE RD is owned and maintained by County Highway Agency.

How old is LOWER EIGHTMILE RD and does age affect safety?

LOWER EIGHTMILE RD was built in 1922, making it 104 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.