FHWA NBI 2024 Inspection record Public-domain dataset

STATE ROUTE 1

Carrying STATE ROUTE 1 over LIMEKILN CREEK

05-MON-001-20.95, Monterey, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
39 t Inventory load rating

Bridge Snapshot: STATE ROUTE 1

The STATE ROUTE 1 bridge in Monterey, California carries STATE ROUTE 1 over LIMEKILN CREEK. It was built in 1957, making it 69 years old today. The structure is built primarily of prestressed concrete and spans 6 sections, stretching 176.2 meters (578 feet) end to end. Daily traffic averages 2,000 vehicles, placing it in the moderately-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 4/9, substructure at 5/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 38.6 metric tons.

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

How STATE ROUTE 1 compares

▲ 7.3
Load rating vs California average (31.3 t)
Top 15%
Higher load rating than 85% of California bridges
390
Bridges in Monterey · 28 in Poor condition
STATE ROUTE 1 38.6 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
42.3 / 100 - historical 20–49.9 band
Structural adequacy /55
30.0
Serviceability /30
12.3
Essentiality /15
0.0
Special reductions
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
38.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1957
Material
Prestressed Concrete
Number of Spans
6
Structure Length
176.2 m (578 ft)
Deck Width
10.3 m (34 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,000 vehicles/day
Structure Number
44 0058

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

STATE ROUTE 1 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 STATE ROUTE 1 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 STATE ROUTE 1?

STATE ROUTE 1 in Monterey, California has a deck rating of 7/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is STATE ROUTE 1 inspected?

STATE ROUTE 1'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 2,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STATE ROUTE 1 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 STATE ROUTE 1?

STATE ROUTE 1 has an NBI inventory load rating of 38.6 metric tons.

Who is responsible for maintaining STATE ROUTE 1?

STATE ROUTE 1 is owned and maintained by State Highway Agency.

How old is STATE ROUTE 1 and does age affect safety?

STATE ROUTE 1 was built in 1957, making it 69 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.