FHWA NBI 2024 Inspection record Public-domain dataset

NUT TREE RD

Carrying NUT TREE RD over ALAMO CREEK

1.7 MI N OF ALAMO DR, Solano, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
56 t Inventory load rating

Bridge Snapshot: NUT TREE RD

The NUT TREE RD bridge in Solano, California carries NUT TREE RD over ALAMO CREEK. It was built in 1979, making it 47 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 20.0 meters (66 feet) end to end. Daily traffic averages 19,170 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 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 56.1 metric tons.

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

How NUT TREE RD compares

▲ 24.8
Load rating vs California average (31.3 t)
Top 3%
Higher load rating than 97% of California bridges
383
Bridges in Solano · 14 in Poor condition
NUT TREE RD 56.1 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
91.3 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.7
Essentiality /15
9.5
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 How the historical reference is calculated.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
56.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1979
Material
Concrete Continuous
Number of Spans
3
Structure Length
20.0 m (66 ft)
Deck Width
23.2 m (76 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
19,170 vehicles/day
Structure Number
23C0141

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • 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 good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether NUT TREE RD 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 NUT TREE RD against other structures in Solano 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 NUT TREE RD?

NUT TREE RD in Solano, 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 NUT TREE RD inspected?

NUT TREE RD'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 19,170 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NUT TREE RD 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 NUT TREE RD?

NUT TREE RD has an NBI inventory load rating of 56.1 metric tons.

Who is responsible for maintaining NUT TREE RD?

NUT TREE RD is owned and maintained by City/Municipal Highway Agency.

How old is NUT TREE RD and does age affect safety?

NUT TREE RD was built in 1979, making it 47 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.