FHWA NBI 2024 Inspection record Public-domain dataset

OLD TOLL RD/CR 108

Carrying OLD TOLL RD/CR 108 over COLEMAN CREEK

2.7 MI S S.R. 175, Mendocino, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
20 t Inventory load rating

Bridge Snapshot: OLD TOLL RD/CR 108

The OLD TOLL RD/CR 108 bridge in Mendocino, California carries OLD TOLL RD/CR 108 over COLEMAN CREEK. It was built in 1940, making it 86 years old today. It was last reconstructed in 1982, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 11.1 meters (36 feet) end to end. Daily traffic averages 72 vehicles, placing it in the lower-traffic 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 5/9. 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 19.8 metric tons.

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

How OLD TOLL RD/CR 108 compares

▼ 11.5
Load rating vs California average (31.3 t)
Bottom 12%
Lower load rating than 88% of California bridges
357
Bridges in Mendocino · 26 in Poor condition
OLD TOLL RD/CR 108 19.8 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
57.2 / 100 - historical 50–79.9 band
Structural adequacy /55
30.4
Serviceability /30
15.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
19.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1940
Last Reconstructed
1982
Material
Steel
Number of Spans
1
Structure Length
11.1 m (36 ft)
Deck Width
4.8 m (16 ft)
Owner
County Highway Agency
Avg Daily Traffic
72 vehicles/day
Structure Number
10C0142

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 fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether OLD TOLL RD/CR 108 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 OLD TOLL RD/CR 108 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 OLD TOLL RD/CR 108?

OLD TOLL RD/CR 108 in Mendocino, California has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is OLD TOLL RD/CR 108 inspected?

OLD TOLL RD/CR 108'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 72 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD TOLL RD/CR 108 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 OLD TOLL RD/CR 108?

OLD TOLL RD/CR 108 has an NBI inventory load rating of 19.8 metric tons.

Who is responsible for maintaining OLD TOLL RD/CR 108?

OLD TOLL RD/CR 108 is owned and maintained by County Highway Agency.

How old is OLD TOLL RD/CR 108 and does age affect safety?

OLD TOLL RD/CR 108 was built in 1940, making it 86 years old and last reconstructed in 1982.

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.