FHWA NBI 2024 Inspection record Public-domain dataset

CTH F

Carrying CTH F over DORITS CREEK

2.6M N JCT CTH A TO W, Barron, Wisconsin

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
32 t Inventory load rating

Bridge Snapshot: CTH F

The CTH F bridge in Barron, Wisconsin carries CTH F over DORITS CREEK. It was built in 1950, making it 76 years old today. It was last reconstructed in 1963, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 10.4 meters (34 feet) end to end. Daily traffic averages 926 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. 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 32.4 metric tons.

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

How CTH F compares

▼ 0.9
Load rating vs Wisconsin average (33.3 t)
Bottom 32%
Lower load rating than 68% of Wisconsin bridges
321
Bridges in Barron · 17 in Poor condition
CTH F 32.4 t
Wisconsin average 33.3 t

Live comparison across Wisconsin.

Historical Sufficiency Rating

PlainBridge-computed
70.4 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
27.0
Essentiality /15
14.4
Special reductions
−1.0

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 How the historical reference is calculated.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
32.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1950
Last Reconstructed
1963
Material
Steel
Number of Spans
1
Structure Length
10.4 m (34 ft)
Deck Width
11.7 m (38 ft)
Owner
County Highway Agency
Avg Daily Traffic
926 vehicles/day
Structure Number
P03092700000000

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

CTH F 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 F against other structures in Barron 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 F?

CTH F in Barron, 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 F inspected?

CTH F'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 926 vehicles per day.

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

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

CTH F has an NBI inventory load rating of 32.4 metric tons.

Who is responsible for maintaining CTH F?

CTH F is owned and maintained by County Highway Agency.

How old is CTH F and does age affect safety?

CTH F was built in 1950, making it 76 years old and last reconstructed in 1963.

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.