FHWA NBI 2024 Inspection record Public-domain dataset

ROAD 61

Carrying ROAD 61 over PROVIDENT CANAL

6.04 MI EAST OF RD 99W, Glenn, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
21 t Inventory load rating

Bridge Snapshot: ROAD 61

The ROAD 61 bridge in Glenn, California carries ROAD 61 over PROVIDENT CANAL. It was built in 1948, making it 78 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 18.9 meters (62 feet) end to end. Daily traffic averages 928 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 7/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 20.7 metric tons.

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

How ROAD 61 compares

▼ 10.6
Load rating vs California average (31.3 t)
Bottom 14%
Lower load rating than 86% of California bridges
242
Bridges in Glenn · 24 in Poor condition
ROAD 61 20.7 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
52.6 / 100 - historical 50–79.9 band
Structural adequacy /55
32.0
Serviceability /30
12.0
Essentiality /15
11.6
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
20.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1948
Material
Concrete Continuous
Number of Spans
2
Structure Length
18.9 m (62 ft)
Deck Width
9.4 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
928 vehicles/day
Structure Number
11C0025

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • 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 (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether ROAD 61 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 ROAD 61 against other structures in Glenn 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 ROAD 61?

ROAD 61 in Glenn, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is ROAD 61 inspected?

ROAD 61'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 928 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ROAD 61 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 ROAD 61?

ROAD 61 has an NBI inventory load rating of 20.7 metric tons.

Who is responsible for maintaining ROAD 61?

ROAD 61 is owned and maintained by County Highway Agency.

How old is ROAD 61 and does age affect safety?

ROAD 61 was built in 1948, making it 78 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.