LB-7 Main Entrance
Carrying LB-7 Main Entrance over South Basin
Main Ent. to Lansing Park, Leavenworth, Kansas
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
LB-7 Main Entrance in Leavenworth, Kansas sits above 81% of rated Kansas bridges on inventory load rating (41 t), while its 2011 build year is earlier than 12% of Leavenworth's recorded-year cohort (241 bridges).
LB-7 Main Entrance in Leavenworth, Kansas is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2011, it carries 3 rated components 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 KS:515150520000110
POST-2000 · STEEL · SINGLE-SPAN · TIED-CTRL · LOCAL-ADT · HEAVY-LOAD · CAT-GOOD
- POST-2000 2000+
- STEEL Steel
- SINGLE-SPAN Single span
- TIED-CTRL Tied control
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy 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: LB-7 Main Entrance
The LB-7 Main Entrance bridge in Leavenworth, Kansas carries LB-7 Main Entrance over South Basin. It was built in 2011, making it 15 years old today. The structure is built primarily of steel and spans 1 section, stretching 20.7 meters (68 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Kansas bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range.
How LB-7 Main Entrance compares
Age against the county: built in 2011, earlier than 29 of Leavenworth's 241 bridges with a recorded construction year (12%), against a county median build year of 1984. This is one of the newer structures in its county.
Live comparison across Kansas bridges with a recorded inventory load rating (24,893 of 24,894 rated).
LB-7 Main Entrance vs every rated Kansas bridge
Inventory load rating (metric tons), FHWA NBI, this state
41 Top 19% higher than 81% of 24,893 bridges
rated Kansas 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.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Leavenworth inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 241 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
- 2011
- Material
- Steel
- Number of Spans
- 1
- Structure Length
- 20.7 m (68 ft)
- Deck Width
- 8.8 m (29 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 50 vehicles/day
- Structure Number
- 515150520000110
Condition Analysis
- • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
- • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
- • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.
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 LB-7 Main Entrance 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 LB-7 Main Entrance against other structures in Leavenworth and across Kansas. Kansas 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 LB-7 Main Entrance?
LB-7 Main Entrance in Leavenworth, Kansas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is LB-7 Main Entrance inspected?
LB-7 Main Entrance'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 50 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. LB-7 Main Entrance 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 LB-7 Main Entrance?
LB-7 Main Entrance has an NBI inventory load rating of 40.8 metric tons.
Who is responsible for maintaining LB-7 Main Entrance?
LB-7 Main Entrance is owned and maintained by City/Municipal Highway Agency.
How old is LB-7 Main Entrance and does age affect safety?
LB-7 Main Entrance was built in 2011, making it 15 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.