IH I 43 SB OFF RAM
Carrying IH I 43 SB OFF RAM over PINE CREEK
0.1M N JCT CTH C, Manitowoc, Wisconsin
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
IH I 43 SB OFF RAM in Manitowoc, Wisconsin sits above 98% of rated Wisconsin bridges on inventory load rating (50 t), while its 1978 build year is earlier than 55% of Manitowoc's recorded-year cohort (269 bridges).
IH I 43 SB OFF RAM in Manitowoc, Wisconsin is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1978, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 6. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure WI:B36006400000000
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-FAIR
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 2 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy load
- CAT-FAIR Fair
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: IH I 43 SB OFF RAM
The IH I 43 SB OFF RAM bridge in Manitowoc, Wisconsin carries IH I 43 SB OFF RAM over PINE CREEK. It was built in 1978, making it 48 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 450 vehicles, placing it in the lower-traffic tier of Wisconsin bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range.
How IH I 43 SB OFF RAM compares
Age against the county: built in 1978, earlier than 148 of Manitowoc's 269 bridges with a recorded construction year (55%), against a county median build year of 1979. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Wisconsin bridges with a recorded inventory load rating (14,446 rated).
IH I 43 SB OFF RAM vs every rated Wisconsin bridge
Inventory load rating (metric tons), FHWA NBI, this state
50 Top 2% higher than 98% of 14,446 bridges
rated Wisconsin bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Manitowoc inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 269 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1978
- Material
- Concrete Continuous
- Number of Spans
- 2
- Structure Length
- 9.8 m (32 ft) 0
- Owner
- State Highway Agency
- Avg Daily Traffic
- 450 vehicles/day
- Structure Number
- B36006400000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether IH I 43 SB OFF RAM 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 IH I 43 SB OFF RAM against other structures in Manitowoc 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 IH I 43 SB OFF RAM?
IH I 43 SB OFF RAM in Manitowoc, Wisconsin on the FHWA's 0–9 scale.
How often is IH I 43 SB OFF RAM inspected?
IH I 43 SB OFF RAM'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 450 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. IH I 43 SB OFF RAM 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 IH I 43 SB OFF RAM?
IH I 43 SB OFF RAM has an NBI inventory load rating of 50.2 metric tons.
Who is responsible for maintaining IH I 43 SB OFF RAM?
IH I 43 SB OFF RAM is owned and maintained by State Highway Agency.
How old is IH I 43 SB OFF RAM and does age affect safety?
IH I 43 SB OFF RAM was built in 1978, making it 48 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.