FHWA NBI 2024 Inspection record Public-domain dataset

1600000

Carrying 1600000 over N.F.MALHEUR RIVER

43.7 MI EAST OF SENECA, Baker, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
44 t Inventory load rating

Bridge Snapshot: 1600000

The 1600000 bridge in Baker, Oregon carries 1600000 over N.F.MALHEUR RIVER. It was built in 1959, making it 67 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 11.0 meters (36 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 3/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 43.6 metric tons.

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

How 1600000 compares

▲ 11.3
Load rating vs Oregon average (32.3 t)
Top 20%
Higher load rating than 80% of Oregon bridges
188
Bridges in Baker · 13 in Poor condition
1600000 43.6 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
56.0 / 100 - historical 50–79.9 band
Structural adequacy /55
15.0
Serviceability /30
26.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
3/9
Poor (1–4)
Inventory Load Rating
43.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1959
Material
Wood or Timber
Number of Spans
1
Structure Length
11.0 m (36 ft)
Deck Width
8.5 m (28 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
060404000001011

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 (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates poor at 3/9, advanced deterioration that should be prioritized for repair.

How to read this record

1600000 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 1600000 against other structures in Baker 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 1600000?

1600000 in Baker, Oregon has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is 1600000 inspected?

1600000'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 50 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 1600000 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 1600000?

1600000 has an NBI inventory load rating of 43.6 metric tons.

Who is responsible for maintaining 1600000?

1600000 is owned and maintained by U.S. Forest Service.

How old is 1600000 and does age affect safety?

1600000 was built in 1959, making it 67 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.