FHWA NBI 2024 Inspection record Public-domain dataset

US 97 (HWY 004)

Carrying US 97 (HWY 004) over GILCHRIST TIMBER RD.

120 MI N WILLIAM HWY JCT., Klamath, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
49 t Inventory load rating

Bridge Snapshot: US 97 (HWY 004)

The US 97 (HWY 004) bridge in Klamath, Oregon carries US 97 (HWY 004) over GILCHRIST TIMBER RD.. It was built in 2005, making it 21 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 27.7 meters (91 feet) end to end. Daily traffic averages 5,461 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 a deck rating of 7/9, superstructure at 7/9, substructure 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 49.2 metric tons.

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

How US 97 (HWY 004) compares

▲ 16.9
Load rating vs Oregon average (32.3 t)
Top 12%
Higher load rating than 88% of Oregon bridges
248
Bridges in Klamath · 13 in Poor condition
US 97 (HWY 004) 49.2 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
100.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
49.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
2005
Material
Prestressed Concrete
Number of Spans
1
Structure Length
27.7 m (91 ft)
Deck Width
14.2 m (47 ft)
Owner
State Highway Agency
Avg Daily Traffic
5,461 vehicles/day
Structure Number
19964 004 18316

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether US 97 (HWY 004) 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 US 97 (HWY 004) 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 US 97 (HWY 004)?

US 97 (HWY 004) in Klamath, Oregon has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is US 97 (HWY 004) inspected?

US 97 (HWY 004)'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 5,461 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 97 (HWY 004) 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 US 97 (HWY 004)?

US 97 (HWY 004) has an NBI inventory load rating of 49.2 metric tons.

Who is responsible for maintaining US 97 (HWY 004)?

US 97 (HWY 004) is owned and maintained by State Highway Agency.

How old is US 97 (HWY 004) and does age affect safety?

US 97 (HWY 004) was built in 2005, making it 21 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.