FHWA NBI 2024 Inspection record Public-domain dataset

POUNDSTONE ROAD

Carrying POUNDSTONE ROAD over RD 108 MAIN CANAL

1.1 MI S OF TULE RD, Colusa, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
21 t Inventory load rating

Bridge Snapshot: POUNDSTONE ROAD

The POUNDSTONE ROAD bridge in Colusa, California carries POUNDSTONE ROAD over RD 108 MAIN CANAL. It was built in 1930, making it 96 years old today. It was last reconstructed in 1987, extending its service life. The structure is built primarily of wood or timber and spans 3 sections, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 62 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 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 21.4 metric tons.

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

How POUNDSTONE ROAD compares

▼ 9.9
Load rating vs California average (31.3 t)
Bottom 15%
Lower load rating than 85% of California bridges
211
Bridges in Colusa · 13 in Poor condition
POUNDSTONE ROAD 21.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
79.1 / 100 - historical 50–79.9 band
Structural adequacy /55
43.1
Serviceability /30
24.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
21.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1930
Last Reconstructed
1987
Material
Wood or Timber
Number of Spans
3
Structure Length
15.2 m (50 ft)
Deck Width
6.7 m (22 ft)
Owner
County Highway Agency
Avg Daily Traffic
62 vehicles/day
Structure Number
15C0105

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 good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

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

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

How often is POUNDSTONE ROAD inspected?

POUNDSTONE 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 62 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. POUNDSTONE ROAD is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for POUNDSTONE ROAD?

POUNDSTONE ROAD has an NBI inventory load rating of 21.4 metric tons.

Who is responsible for maintaining POUNDSTONE ROAD?

POUNDSTONE ROAD is owned and maintained by County Highway Agency.

How old is POUNDSTONE ROAD and does age affect safety?

POUNDSTONE ROAD was built in 1930, making it 96 years old and last reconstructed in 1987.

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.