FHWA NBI 2024 Inspection record Public-domain dataset

HEARST-WILLITS RD

Carrying HEARST-WILLITS RD over HAEHL CREEK

0.8 MI E JCT SR 101, Mendocino, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
18 t Inventory load rating

Bridge Snapshot: HEARST-WILLITS RD

The HEARST-WILLITS RD bridge in Mendocino, California carries HEARST-WILLITS RD over HAEHL CREEK. It was built in 1952, making it 74 years old today. The structure is built primarily of concrete and spans 1 section, stretching 14.3 meters (47 feet) end to end. Daily traffic averages 1,375 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 5/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 17.8 metric tons.

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

How HEARST-WILLITS RD compares

▼ 13.5
Load rating vs California average (31.3 t)
Bottom 10%
Lower load rating than 90% of California bridges
357
Bridges in Mendocino · 26 in Poor condition
HEARST-WILLITS RD 17.8 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
51.9 / 100 - historical 50–79.9 band
Structural adequacy /55
26.8
Serviceability /30
13.5
Essentiality /15
14.6
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
5/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
17.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1952
Material
Concrete
Number of Spans
1
Structure Length
14.3 m (47 ft)
Deck Width
8.4 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
1,375 vehicles/day
Structure Number
10C0140

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 HEARST-WILLITS RD 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 HEARST-WILLITS RD against other structures in Mendocino 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 HEARST-WILLITS RD?

HEARST-WILLITS RD in Mendocino, California has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HEARST-WILLITS RD inspected?

HEARST-WILLITS RD'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 1,375 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HEARST-WILLITS RD 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 HEARST-WILLITS RD?

HEARST-WILLITS RD has an NBI inventory load rating of 17.8 metric tons.

Who is responsible for maintaining HEARST-WILLITS RD?

HEARST-WILLITS RD is owned and maintained by County Highway Agency.

How old is HEARST-WILLITS RD and does age affect safety?

HEARST-WILLITS RD was built in 1952, making it 74 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.