IH RAMP IH 43 SB-S
Carrying IH RAMP IH 43 SB-S over BOWER CREEK
0.8M E JCT CTH V, Brown, Wisconsin
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
IH RAMP IH 43 SB-S in Brown, Wisconsin sits above 32% of rated Wisconsin bridges on inventory load rating (32 t), while its 1979 build year is earlier than 67% of Brown's recorded-year cohort (466 bridges).
IH RAMP IH 43 SB-S in Brown, Wisconsin is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 1979, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:B05019100000000
INTERSTATE-ERA · CONCRETE · MULTI-SPAN · CULVERT-LED · HEAVY-ADT · STANDARD-LOAD · CAT-GOOD
- INTERSTATE-ERA 1950–1979
- CONCRETE Concrete
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-GOOD Good
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 RAMP IH 43 SB-S
The IH RAMP IH 43 SB-S bridge in Brown, Wisconsin carries IH RAMP IH 43 SB-S over BOWER CREEK. It was built in 1979, making it 47 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 10.6 meters (35 feet) end to end. Daily traffic averages 19,100 vehicles, placing it in the heavily-trafficked tier of Wisconsin bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.
How IH RAMP IH 43 SB-S compares
Age against the county: built in 1979, earlier than 314 of Brown's 466 bridges with a recorded construction year (67%), against a county median build year of 1987. 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 RAMP IH 43 SB-S vs every rated Wisconsin bridge
Inventory load rating (metric tons), FHWA NBI, this state
32 Top 68% higher than 32% 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.
Brown inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 466 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
- 1979
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 10.6 m (35 ft) 0
- Owner
- State Highway Agency
- Avg Daily Traffic
- 19,100 vehicles/day
- Structure Number
- B05019100000000
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 RAMP IH 43 SB-S 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 RAMP IH 43 SB-S against other structures in Brown 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 RAMP IH 43 SB-S?
IH RAMP IH 43 SB-S in Brown, Wisconsin on the FHWA's 0–9 scale.
How often is IH RAMP IH 43 SB-S inspected?
IH RAMP IH 43 SB-S'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 19,100 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. IH RAMP IH 43 SB-S is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for IH RAMP IH 43 SB-S?
IH RAMP IH 43 SB-S has an NBI inventory load rating of 32.4 metric tons.
Who is responsible for maintaining IH RAMP IH 43 SB-S?
IH RAMP IH 43 SB-S is owned and maintained by State Highway Agency.
How old is IH RAMP IH 43 SB-S and does age affect safety?
IH RAMP IH 43 SB-S was built in 1979, making it 47 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.