FHWA NBI 2024 Inspection record Public-domain dataset

HAMILTON ROAD

Carrying HAMILTON ROAD over EAST FORK MILL CREEK

2.8 MILES EAST OF US 101, Del Norte, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair

Bridge Snapshot: HAMILTON ROAD

The HAMILTON ROAD bridge in Del Norte, California carries HAMILTON ROAD over EAST FORK MILL CREEK. It was built in 1950, making it 76 years old today. It was last reconstructed in 2020, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 37.0 meters (121 feet) end to end. Daily traffic averages 10 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by State Park/Forest/Reservation.

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

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

How HAMILTON ROAD compares

96
Bridges in Del Norte · 11 in Poor condition

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
23.1 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
9.0
Essentiality /15
14.1
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Overall Condition
Fair

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

Structural Details

Year Built
1950
Last Reconstructed
2020
Material
Steel
Number of Spans
1
Structure Length
37.0 m (121 ft)
Deck Width
4.3 m (14 ft)
Owner
State Park/Forest/Reservation
Avg Daily Traffic
10 vehicles/day
Structure Number
01P0012

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether HAMILTON 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 HAMILTON ROAD against other structures in Del Norte and across California. California 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 HAMILTON ROAD?

HAMILTON ROAD in Del Norte, California has a deck rating of 5/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HAMILTON ROAD inspected?

HAMILTON 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 10 vehicles per day.

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

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

An inventory load rating is not recorded for HAMILTON ROAD.

Who is responsible for maintaining HAMILTON ROAD?

HAMILTON ROAD is owned and maintained by State Park/Forest/Reservation.

How old is HAMILTON ROAD and does age affect safety?

HAMILTON ROAD was built in 1950, making it 76 years old and last reconstructed in 2020.

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.