FHWA NBI 2024 Inspection record Public-domain dataset

SQUAW FLAT ROAD

Carrying SQUAW FLAT ROAD over BUCK CREEK

007 MI N OF HWY 140, Klamath, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
45 t Inventory load rating

Bridge Snapshot: SQUAW FLAT ROAD

The SQUAW FLAT ROAD bridge in Klamath, Oregon carries SQUAW FLAT ROAD over BUCK CREEK. It was built in 1982, making it 44 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 7.6 meters (25 feet) end to end. Daily traffic averages 136 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 8/9, superstructure at 8/9, substructure at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 45.4 metric tons.

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

How SQUAW FLAT ROAD compares

▲ 13.1
Load rating vs Oregon average (32.3 t)
Top 18%
Higher load rating than 82% of Oregon bridges
248
Bridges in Klamath · 13 in Poor condition
SQUAW FLAT ROAD 45.4 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
96.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
45.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1982
Material
Prestressed Concrete
Number of Spans
1
Structure Length
7.6 m (25 ft)
Deck Width
9.8 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
136 vehicles/day
Structure Number
35C343110101570

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 8/9, with no significant deterioration on file.
  • At 6/9, 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 SQUAW FLAT ROAD 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 SQUAW FLAT ROAD against other structures in Klamath 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 SQUAW FLAT ROAD?

SQUAW FLAT ROAD in Klamath, Oregon has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SQUAW FLAT ROAD inspected?

SQUAW FLAT ROAD'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 136 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SQUAW FLAT ROAD 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 SQUAW FLAT ROAD?

SQUAW FLAT ROAD has an NBI inventory load rating of 45.4 metric tons.

Who is responsible for maintaining SQUAW FLAT ROAD?

SQUAW FLAT ROAD is owned and maintained by County Highway Agency.

How old is SQUAW FLAT ROAD and does age affect safety?

SQUAW FLAT ROAD was built in 1982, making it 44 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.