LRD LAPHAM ST
Carrying LRD LAPHAM ST over OCONOMOWOC RIVER
0.9M S JCT CTH Z, Waukesha, Wisconsin
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: LRD LAPHAM ST
The LRD LAPHAM ST bridge in Waukesha, Wisconsin carries LRD LAPHAM ST over OCONOMOWOC RIVER. It was built in 1950, making it 76 years old today. It was last reconstructed in 1989, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 12.9 meters (42 feet) end to end. Daily traffic averages 101 vehicles, placing it in the lower-traffic tier of Wisconsin bridges. It is owned and maintained by City/Municipal 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. 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 19.4 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How LRD LAPHAM ST compares
Live comparison across Wisconsin.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1950
- Last Reconstructed
- 1989
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 12.9 m (42 ft)
- Deck Width
- 4.5 m (15 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 101 vehicles/day
- Structure Number
- P67077000000000
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
- • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
LRD LAPHAM ST 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 LRD LAPHAM ST against other structures in Waukesha 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 LRD LAPHAM ST?
LRD LAPHAM ST in Waukesha, 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 LRD LAPHAM ST inspected?
LRD LAPHAM ST'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 101 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. LRD LAPHAM ST 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 LRD LAPHAM ST?
LRD LAPHAM ST has an NBI inventory load rating of 19.4 metric tons.
Who is responsible for maintaining LRD LAPHAM ST?
LRD LAPHAM ST is owned and maintained by City/Municipal Highway Agency.
How old is LRD LAPHAM ST and does age affect safety?
LRD LAPHAM ST was built in 1950, making it 76 years old and last reconstructed in 1989.
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.
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.