FHWA NBI 2024 Inspection record Public-domain dataset

CTH II

Carrying CTH II over BOSTWICK CREEK

0.2M N JCT CTH I, La Crosse, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
31 t Inventory load rating

Bridge Snapshot: CTH II

The CTH II bridge in La Crosse, Wisconsin carries CTH II over BOSTWICK CREEK. It was built in 1976, making it 50 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 14.3 meters (47 feet) end to end. Daily traffic averages 214 vehicles, placing it in the lower-traffic tier of Wisconsin bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 4/9. 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 30.8 metric tons.

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

How CTH II compares

▼ 2.5
Load rating vs Wisconsin average (33.3 t)
Bottom 29%
Lower load rating than 71% of Wisconsin bridges
250
Bridges in La Crosse · 14 in Poor condition
CTH II 30.8 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
63.0 / 100 - historical 50–79.9 band
Structural adequacy /55
29.3
Serviceability /30
22.0
Essentiality /15
14.6
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
30.8 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1976
Material
Wood or Timber
Number of Spans
3
Structure Length
14.3 m (47 ft)
Deck Width
9.0 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
214 vehicles/day
Structure Number
B32058000000000

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 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

CTH II 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 CTH II against other structures in La Crosse and across Wisconsin. Wisconsin 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 CTH II?

CTH II in La Crosse, Wisconsin has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is CTH II inspected?

CTH II'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 214 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CTH II 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 CTH II?

CTH II has an NBI inventory load rating of 30.8 metric tons.

Who is responsible for maintaining CTH II?

CTH II is owned and maintained by County Highway Agency.

How old is CTH II and does age affect safety?

CTH II was built in 1976, making it 50 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.