FHWA NBI 2024 Inspection record Public-domain dataset

STATE ROUTE 101 SB

Carrying STATE ROUTE 101 SB over BATTERY SUBSTATION

04-SF-101-R9.16-SF, San Francisco, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
32 t Inventory load rating

Bridge Snapshot: STATE ROUTE 101 SB

The STATE ROUTE 101 SB bridge in San Francisco, California carries STATE ROUTE 101 SB over BATTERY SUBSTATION. It was built in 2012, making it 14 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 20.0 meters (66 feet) end to end. Daily traffic averages 79,000 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 32.4 metric tons.

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

How STATE ROUTE 101 SB compares

▲ 1.1
Load rating vs California average (31.3 t)
Bottom 41%
Lower load rating than 59% of California bridges
170
Bridges in San Francisco · 4 in Poor condition
STATE ROUTE 101 SB 32.4 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
64.0 / 100 - historical 50–79.9 band
Structural adequacy /55
55.0
Serviceability /30
11.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
32.4 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2012
Material
Concrete Continuous
Number of Spans
2
Structure Length
20.0 m (66 ft)
Deck Width
19.0 m (62 ft)
Owner
State Highway Agency
Avg Daily Traffic
79,000 vehicles/day
Structure Number
34 0187L

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether STATE ROUTE 101 SB 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 STATE ROUTE 101 SB against other structures in San Francisco 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 101 SB?

STATE ROUTE 101 SB in San Francisco, 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 STATE ROUTE 101 SB inspected?

STATE ROUTE 101 SB'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 79,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STATE ROUTE 101 SB 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 STATE ROUTE 101 SB?

STATE ROUTE 101 SB has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining STATE ROUTE 101 SB?

STATE ROUTE 101 SB is owned and maintained by State Highway Agency.

How old is STATE ROUTE 101 SB and does age affect safety?

STATE ROUTE 101 SB was built in 2012, making it 14 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.