FHWA NBI 2024 Inspection record Public-domain dataset

REDWOOD BLVD

Carrying REDWOOD BLVD over NOVATO CREEK

0.6 M N ROWLAND BL, Marin, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
18 t Inventory load rating

Bridge Snapshot: REDWOOD BLVD

The REDWOOD BLVD bridge in Marin, California carries REDWOOD BLVD over NOVATO CREEK. It was built in 1947, making it 79 years old today. It was last reconstructed in 1988, extending its service life. The structure is built primarily of concrete and spans 4 sections, stretching 57.0 meters (187 feet) end to end. Daily traffic averages 9,103 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by City/Municipal 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 18.1 metric tons.

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

How REDWOOD BLVD compares

▼ 13.2
Load rating vs California average (31.3 t)
Bottom 10%
Lower load rating than 90% of California bridges
217
Bridges in Marin · 18 in Poor condition
REDWOOD BLVD 18.1 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
70.2 / 100 - historical 50–79.9 band
Structural adequacy /55
37.4
Serviceability /30
21.0
Essentiality /15
13.8
Special reductions
−2.0

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 How the historical reference is calculated.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
18.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1947
Last Reconstructed
1988
Material
Concrete
Number of Spans
4
Structure Length
57.0 m (187 ft)
Deck Width
10.1 m (33 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
9,103 vehicles/day
Structure Number
27C0103L

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • 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 good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether REDWOOD BLVD 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 REDWOOD BLVD against other structures in Marin 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 REDWOOD BLVD?

REDWOOD BLVD in Marin, 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 REDWOOD BLVD inspected?

REDWOOD BLVD'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 9,103 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. REDWOOD BLVD 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 REDWOOD BLVD?

REDWOOD BLVD has an NBI inventory load rating of 18.1 metric tons.

Who is responsible for maintaining REDWOOD BLVD?

REDWOOD BLVD is owned and maintained by City/Municipal Highway Agency.

How old is REDWOOD BLVD and does age affect safety?

REDWOOD BLVD was built in 1947, making it 79 years old and last reconstructed in 1988.

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.