FHWA NBI 2024 Inspection record Public-domain dataset

SHIRT TAIL CYN RD

Carrying SHIRT TAIL CYN RD over SHIRT TAIL CREEK

0.5 MI N YANKEE JIM RD, Placer, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
27 t Inventory load rating

Bridge Snapshot: SHIRT TAIL CYN RD

The SHIRT TAIL CYN RD bridge in Placer, California carries SHIRT TAIL CYN RD over SHIRT TAIL CREEK. It was built in 1940, making it 86 years old today. The structure is built primarily of steel and spans 1 section, stretching 18.9 meters (62 feet) end to end. Daily traffic averages 25 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 5/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 27.2 metric tons.

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

How SHIRT TAIL CYN RD compares

▼ 4.1
Load rating vs California average (31.3 t)
Bottom 32%
Lower load rating than 68% of California bridges
347
Bridges in Placer · 14 in Poor condition
SHIRT TAIL CYN RD 27.2 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
65.1 / 100 - historical 50–79.9 band
Structural adequacy /55
41.1
Serviceability /30
12.0
Essentiality /15
14.9
Special reductions
−3.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
27.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1940
Material
Steel
Number of Spans
1
Structure Length
18.9 m (62 ft)
Deck Width
4.0 m (13 ft)
Owner
County Highway Agency
Avg Daily Traffic
25 vehicles/day
Structure Number
19C0100

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • 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 SHIRT TAIL CYN 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 SHIRT TAIL CYN RD against other structures in Placer 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 SHIRT TAIL CYN RD?

SHIRT TAIL CYN RD in Placer, California has a deck rating of 7/9, superstructure rating of 5/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SHIRT TAIL CYN RD inspected?

SHIRT TAIL CYN 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 25 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SHIRT TAIL CYN RD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SHIRT TAIL CYN RD?

SHIRT TAIL CYN RD has an NBI inventory load rating of 27.2 metric tons.

Who is responsible for maintaining SHIRT TAIL CYN RD?

SHIRT TAIL CYN RD is owned and maintained by County Highway Agency.

How old is SHIRT TAIL CYN RD and does age affect safety?

SHIRT TAIL CYN RD was built in 1940, making it 86 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.