FHWA NBI 2024 Inspection record Public-domain dataset

LINCOLN AVE

Carrying LINCOLN AVE over SAN RAFAEL CREEK

700 FT S OF IRWIN AVE, Marin, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
31 t Inventory load rating

Bridge Snapshot: LINCOLN AVE

The LINCOLN AVE bridge in Marin, California carries LINCOLN AVE over SAN RAFAEL CREEK. It was built in 1959, making it 67 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 11,601 vehicles, placing it in the heavily-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 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 30.5 metric tons.

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

How LINCOLN AVE compares

▼ 0.8
Load rating vs California average (31.3 t)
Bottom 38%
Lower load rating than 62% of California bridges
217
Bridges in Marin · 18 in Poor condition
LINCOLN AVE 30.5 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
68.5 / 100 - historical 50–79.9 band
Structural adequacy /55
29.1
Serviceability /30
28.0
Essentiality /15
13.4
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Inventory Load Rating
30.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1959
Material
Concrete Continuous
Number of Spans
3
Structure Length
18.3 m (60 ft)
Deck Width
16.5 m (54 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
11,601 vehicles/day
Structure Number
27C0077

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

LINCOLN AVE is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare LINCOLN AVE 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 LINCOLN AVE?

LINCOLN AVE in Marin, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is LINCOLN AVE inspected?

LINCOLN AVE'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 11,601 vehicles per day.

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

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

What is the inventory load rating for LINCOLN AVE?

LINCOLN AVE has an NBI inventory load rating of 30.5 metric tons.

Who is responsible for maintaining LINCOLN AVE?

LINCOLN AVE is owned and maintained by City/Municipal Highway Agency.

How old is LINCOLN AVE and does age affect safety?

LINCOLN AVE was built in 1959, making it 67 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.