FHWA NBI 2024 Inspection record Public-domain dataset

SMITH ROCK ROAD

Carrying SMITH ROCK ROAD over NORTH UNIT CAN/SMITHROCK

3.44 MI. EAST OF HWY 97, Deschutes, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
17 t Inventory load rating

Bridge Snapshot: SMITH ROCK ROAD

The SMITH ROCK ROAD bridge in Deschutes, Oregon carries SMITH ROCK ROAD over NORTH UNIT CAN/SMITHROCK. It was built in 1971, making it 55 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 20.1 meters (66 feet) end to end. Daily traffic averages 362 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 6/9, 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 17.2 metric tons.

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

How SMITH ROCK ROAD compares

▼ 15.1
Load rating vs Oregon average (32.3 t)
Bottom 12%
Lower load rating than 88% of Oregon bridges
152
Bridges in Deschutes · 2 in Poor condition
SMITH ROCK ROAD 17.2 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
76.7 / 100 - historical 50–79.9 band
Structural adequacy /55
35.7
Serviceability /30
29.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
17.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1971
Material
Wood or Timber
Number of Spans
2
Structure Length
20.1 m (66 ft)
Deck Width
10.1 m (33 ft)
Owner
County Highway Agency
Avg Daily Traffic
362 vehicles/day
Structure Number
15452 C42 00350

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • 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 (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether SMITH ROCK 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 SMITH ROCK ROAD against other structures in Deschutes 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 SMITH ROCK ROAD?

SMITH ROCK ROAD in Deschutes, Oregon has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SMITH ROCK ROAD inspected?

SMITH ROCK 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 362 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SMITH ROCK 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 SMITH ROCK ROAD?

SMITH ROCK ROAD has an NBI inventory load rating of 17.2 metric tons.

Who is responsible for maintaining SMITH ROCK ROAD?

SMITH ROCK ROAD is owned and maintained by County Highway Agency.

How old is SMITH ROCK ROAD and does age affect safety?

SMITH ROCK ROAD was built in 1971, making it 55 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.