FHWA NBI 2024 Inspection record Public-domain dataset

TAM O'SHANTER DR

Carrying TAM O'SHANTER DR over MOSHER SLOUGH

0.5 MI N HAMMER LANE, San Joaquin, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
32 t Inventory load rating

Bridge Snapshot: TAM O'SHANTER DR

The TAM O'SHANTER DR bridge in San Joaquin, California carries TAM O'SHANTER DR over MOSHER SLOUGH. It was built in 1981, making it 45 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 9.4 meters (31 feet) end to end. Daily traffic averages 7,968 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 32.4 metric tons.

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

How TAM O'SHANTER DR compares

▲ 1.1
Load rating vs California average (31.3 t)
Bottom 41%
Lower load rating than 59% of California bridges
666
Bridges in San Joaquin · 41 in Poor condition
TAM O'SHANTER DR 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
94.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
28.0
Essentiality /15
13.9
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1981
Material
Concrete Continuous
Number of Spans
2
Structure Length
9.4 m (31 ft)
Deck Width
15.4 m (51 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
7,968 vehicles/day
Structure Number
29C0394

How to read this record

This page shows what the last federal inspection recorded, not whether TAM O'SHANTER DR 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 TAM O'SHANTER DR against other structures in San Joaquin 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 TAM O'SHANTER DR?

TAM O'SHANTER DR in San Joaquin, California on the FHWA's 0–9 scale.

How often is TAM O'SHANTER DR inspected?

TAM O'SHANTER DR'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 7,968 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. TAM O'SHANTER DR 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 TAM O'SHANTER DR?

TAM O'SHANTER DR has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining TAM O'SHANTER DR?

TAM O'SHANTER DR is owned and maintained by City/Municipal Highway Agency.

How old is TAM O'SHANTER DR and does age affect safety?

TAM O'SHANTER DR was built in 1981, making it 45 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.