FHWA NBI 2024 Inspection record Public-domain dataset

CTH XX

Carrying CTH XX over BIG DRYWOOD CREEK

0.4 M N 80TH AVENUE, Chippewa, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
49 t Inventory load rating

Bridge Snapshot: CTH XX

The CTH XX bridge in Chippewa, Wisconsin carries CTH XX over BIG DRYWOOD CREEK. It was built in 1932, making it 94 years old today. It was last reconstructed in 1953, extending its service life. The structure is built primarily of wood or timber and spans 1 section, stretching 6.7 meters (22 feet) end to end. Daily traffic averages 550 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 6/9, superstructure at 6/9, 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 48.6 metric tons.

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

How CTH XX compares

▲ 15.3
Load rating vs Wisconsin average (33.3 t)
Top 3%
Higher load rating than 97% of Wisconsin bridges
366
Bridges in Chippewa · 31 in Poor condition
CTH XX 48.6 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
70.9 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
26.2
Essentiality /15
14.8
Special reductions
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
48.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1932
Last Reconstructed
1953
Material
Wood or Timber
Number of Spans
1
Structure Length
6.7 m (22 ft)
Deck Width
8.9 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
550 vehicles/day
Structure Number
P09096000000000

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

CTH XX 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 XX against other structures in Chippewa 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 XX?

CTH XX in Chippewa, Wisconsin has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is CTH XX inspected?

CTH XX'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 550 vehicles per day.

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

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

CTH XX has an NBI inventory load rating of 48.6 metric tons.

Who is responsible for maintaining CTH XX?

CTH XX is owned and maintained by County Highway Agency.

How old is CTH XX and does age affect safety?

CTH XX was built in 1932, making it 94 years old and last reconstructed in 1953.

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.