FHWA NBI 2024 Inspection record Public-domain dataset

MCKINLEY ROAD

Carrying MCKINLEY ROAD over NORTH LITTLE JOHNS CREEK

0.04 MI N INDUSTRIAL DR, San Joaquin, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
51 t Inventory load rating

Bridge Snapshot: MCKINLEY ROAD

The MCKINLEY ROAD bridge in San Joaquin, California carries MCKINLEY ROAD over NORTH LITTLE JOHNS CREEK. It was built in 1972, making it 54 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 20.7 meters (68 feet) end to end. Daily traffic averages 4,300 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 7/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 50.9 metric tons.

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

How MCKINLEY ROAD compares

▲ 19.6
Load rating vs California average (31.3 t)
Top 5%
Higher load rating than 95% of California bridges
666
Bridges in San Joaquin · 41 in Poor condition
MCKINLEY ROAD 50.9 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
61.8 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
20.5
Essentiality /15
13.3
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
7/9
Good (7–9)
Inventory Load Rating
50.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1972
Material
Concrete Continuous
Number of Spans
3
Structure Length
20.7 m (68 ft)
Deck Width
9.9 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
4,300 vehicles/day
Structure Number
29C0339

Condition Analysis

  • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
  • 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) is in good condition (7/9), showing no significant deterioration.

How to read this record

MCKINLEY ROAD 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 MCKINLEY ROAD 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 MCKINLEY ROAD?

MCKINLEY ROAD in San Joaquin, California has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is MCKINLEY ROAD inspected?

MCKINLEY ROAD'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 4,300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MCKINLEY ROAD 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 MCKINLEY ROAD?

MCKINLEY ROAD has an NBI inventory load rating of 50.9 metric tons.

Who is responsible for maintaining MCKINLEY ROAD?

MCKINLEY ROAD is owned and maintained by County Highway Agency.

How old is MCKINLEY ROAD and does age affect safety?

MCKINLEY ROAD was built in 1972, making it 54 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.