FHWA NBI 2024 Inspection record Public-domain dataset

FR RD HWY 351

Carrying FR RD HWY 351 over WALLOWA R (STATE PARK)

WALLOWA LAKE STATE PARK, Wallowa, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: FR RD HWY 351

The FR RD HWY 351 bridge in Wallowa, Oregon carries FR RD HWY 351 over WALLOWA R (STATE PARK). It was built in 1950, making it 76 years old today. The structure is built primarily of concrete continuous and spans 4 sections, stretching 25.9 meters (85 feet) end to end. Daily traffic averages 413 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 25.4 metric tons.

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

How FR RD HWY 351 compares

▼ 6.9
Load rating vs Oregon average (32.3 t)
Bottom 36%
Lower load rating than 64% of Oregon bridges
115
Bridges in Wallowa · 10 in Poor condition
FR RD HWY 351 25.4 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
70.2 / 100 - historical 50–79.9 band
Structural adequacy /55
39.0
Serviceability /30
29.0
Essentiality /15
10.2
Special reductions
−8.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
25.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1950
Material
Concrete Continuous
Number of Spans
4
Structure Length
25.9 m (85 ft)
Deck Width
10.5 m (34 ft)
Owner
State Highway Agency
Avg Daily Traffic
413 vehicles/day
Structure Number
04917A351F00606

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether FR RD HWY 351 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 FR RD HWY 351 against other structures in Wallowa 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 FR RD HWY 351?

FR RD HWY 351 in Wallowa, Oregon has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is FR RD HWY 351 inspected?

FR RD HWY 351'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 413 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FR RD HWY 351 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 FR RD HWY 351?

FR RD HWY 351 has an NBI inventory load rating of 25.4 metric tons.

Who is responsible for maintaining FR RD HWY 351?

FR RD HWY 351 is owned and maintained by State Highway Agency.

How old is FR RD HWY 351 and does age affect safety?

FR RD HWY 351 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.

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.