FHWA NBI 2024 Inspection record Public-domain dataset

US HIGHWAY 101 NB

Carrying US HIGHWAY 101 NB over SALINAS RIVER

05-MON-101-R41.36R, Monterey, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
47 t Inventory load rating

Bridge Snapshot: US HIGHWAY 101 NB

The US HIGHWAY 101 NB bridge in Monterey, California carries US HIGHWAY 101 NB over SALINAS RIVER. It was built in 1956, making it 70 years old today. It was last reconstructed in 2023, extending its service life. The structure is built primarily of steel and spans 17 sections, stretching 550.4 meters (1806 feet) end to end. Daily traffic averages 15,900 vehicles, placing it in the heavily-trafficked tier of California bridges. It is owned and maintained by State 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 47.0 metric tons.

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

How US HIGHWAY 101 NB compares

▲ 15.7
Load rating vs California average (31.3 t)
Top 7%
Higher load rating than 93% of California bridges
390
Bridges in Monterey · 28 in Poor condition
US HIGHWAY 101 NB 47.0 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
92.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
8.5
Special reductions
−1.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1956
Last Reconstructed
2023
Material
Steel
Number of Spans
17
Structure Length
550.4 m (1806 ft)
Deck Width
12.9 m (42 ft)
Owner
State Highway Agency
Avg Daily Traffic
15,900 vehicles/day
Structure Number
44 0032R

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.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether US HIGHWAY 101 NB 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 US HIGHWAY 101 NB against other structures in Monterey 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 US HIGHWAY 101 NB?

US HIGHWAY 101 NB in Monterey, 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 US HIGHWAY 101 NB inspected?

US HIGHWAY 101 NB'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 15,900 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US HIGHWAY 101 NB 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 US HIGHWAY 101 NB?

US HIGHWAY 101 NB has an NBI inventory load rating of 47.0 metric tons.

Who is responsible for maintaining US HIGHWAY 101 NB?

US HIGHWAY 101 NB is owned and maintained by State Highway Agency.

How old is US HIGHWAY 101 NB and does age affect safety?

US HIGHWAY 101 NB was built in 1956, making it 70 years old and last reconstructed in 2023.

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.