FHWA NBI 2024 Inspection record Public-domain dataset

CTH HH

Carrying CTH HH over S BR MANITOWOC RIVER

3.4M E JCT USH 151, Fond du Lac, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: CTH HH

The CTH HH bridge in Fond du Lac, Wisconsin carries CTH HH over S BR MANITOWOC RIVER. It was built in 1929, making it 97 years old today. It was last reconstructed in 1976, extending its service life. The structure is built primarily of concrete and spans 1 section, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 708 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 6/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 25.9 metric tons.

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

How CTH HH compares

▼ 7.4
Load rating vs Wisconsin average (33.3 t)
Bottom 19%
Lower load rating than 81% of Wisconsin bridges
256
Bridges in Fond du Lac · 26 in Poor condition
CTH HH 25.9 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
78.5 / 100 - historical 50–79.9 band
Structural adequacy /55
39.6
Serviceability /30
26.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Inventory Load Rating
25.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1929
Last Reconstructed
1976
Material
Concrete
Number of Spans
1
Structure Length
9.8 m (32 ft)
Deck Width
11.2 m (37 ft)
Owner
County Highway Agency
Avg Daily Traffic
708 vehicles/day
Structure Number
B20067800000000

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) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether CTH HH 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 CTH HH against other structures in Fond du Lac 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 HH?

CTH HH in Fond du Lac, Wisconsin has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CTH HH inspected?

CTH HH'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 708 vehicles per day.

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

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

CTH HH has an NBI inventory load rating of 25.9 metric tons.

Who is responsible for maintaining CTH HH?

CTH HH is owned and maintained by County Highway Agency.

How old is CTH HH and does age affect safety?

CTH HH was built in 1929, making it 97 years old and last reconstructed in 1976.

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.