FHWA NBI 2024 Inspection record Public-domain dataset

WITTER SPRINGS RD

Carrying WITTER SPRINGS RD over COOPER CREEK

0.6 MI N OF SR 20, Lake, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
15 t Inventory load rating

Bridge Snapshot: WITTER SPRINGS RD

The WITTER SPRINGS RD bridge in Lake, California carries WITTER SPRINGS RD over COOPER CREEK. It was built in 1935, making it 91 years old today. It was last reconstructed in 1965, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 11.6 meters (38 feet) end to end. Daily traffic averages 212 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 5/9, superstructure at 6/9, 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 15.2 metric tons.

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

How WITTER SPRINGS RD compares

▼ 16.1
Load rating vs California average (31.3 t)
Bottom 3%
Lower load rating than 97% of California bridges
129
Bridges in Lake · 10 in Poor condition
WITTER SPRINGS RD 15.2 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
69.7 / 100 - historical 50–79.9 band
Structural adequacy /55
31.8
Serviceability /30
25.0
Essentiality /15
14.9
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 How the historical reference is calculated.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

Deck
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
15.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1935
Last Reconstructed
1965
Material
Concrete
Number of Spans
1
Structure Length
11.6 m (38 ft)
Deck Width
8.6 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
212 vehicles/day
Structure Number
14C0090

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • 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 WITTER SPRINGS 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 WITTER SPRINGS RD against other structures in Lake 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 WITTER SPRINGS RD?

WITTER SPRINGS RD in Lake, California has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is WITTER SPRINGS RD inspected?

WITTER SPRINGS 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 212 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. WITTER SPRINGS 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 WITTER SPRINGS RD?

WITTER SPRINGS RD has an NBI inventory load rating of 15.2 metric tons.

Who is responsible for maintaining WITTER SPRINGS RD?

WITTER SPRINGS RD is owned and maintained by County Highway Agency.

How old is WITTER SPRINGS RD and does age affect safety?

WITTER SPRINGS RD was built in 1935, making it 91 years old and last reconstructed in 1965.

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.