FHWA NBI 2024 Inspection record Public-domain dataset

CRYSTAL SPRGS CAMP

Carrying CRYSTAL SPRGS CAMP over WEST FORK CARSON RIVER

0.1 MILE SOUTH OF S.H. 88, Alpine, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
24 t Inventory load rating

Bridge Snapshot: CRYSTAL SPRGS CAMP

The CRYSTAL SPRGS CAMP bridge in Alpine, California carries CRYSTAL SPRGS CAMP over WEST FORK CARSON RIVER. It was built in 1938, making it 88 years old today. The structure is built primarily of steel and spans 1 section, stretching 16.8 meters (55 feet) end to end. Daily traffic averages 275 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 4/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 24.0 metric tons.

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

How CRYSTAL SPRGS CAMP compares

▼ 7.3
Load rating vs California average (31.3 t)
Bottom 19%
Lower load rating than 81% of California bridges
32
Bridges in Alpine · 2 in Poor condition
CRYSTAL SPRGS CAMP 24.0 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
63.2 / 100 - historical 50–79.9 band
Structural adequacy /55
37.1
Serviceability /30
14.2
Essentiality /15
15.0
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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
24.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1938
Material
Steel
Number of Spans
1
Structure Length
16.8 m (55 ft)
Deck Width
7.7 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
275 vehicles/day
Structure Number
31C0013

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 5/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

CRYSTAL SPRGS CAMP 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 CRYSTAL SPRGS CAMP against other structures in Alpine 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 CRYSTAL SPRGS CAMP?

CRYSTAL SPRGS CAMP in Alpine, California has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CRYSTAL SPRGS CAMP inspected?

CRYSTAL SPRGS CAMP'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 275 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CRYSTAL SPRGS CAMP 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 CRYSTAL SPRGS CAMP?

CRYSTAL SPRGS CAMP has an NBI inventory load rating of 24.0 metric tons.

Who is responsible for maintaining CRYSTAL SPRGS CAMP?

CRYSTAL SPRGS CAMP is owned and maintained by County Highway Agency.

How old is CRYSTAL SPRGS CAMP and does age affect safety?

CRYSTAL SPRGS CAMP was built in 1938, making it 88 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.