SW Gage
Carrying SW Gage over Shunganunga Cr.
293m N. of 29th & Gage., Shawnee, Kansas
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SW Gage
The SW Gage bridge in Shawnee, Kansas carries SW Gage over Shunganunga Cr.. It was built in 1986, making it 40 years old today. The structure is built primarily of concrete continuous and spans 3 sections, stretching 37.3 meters (122 feet) end to end. Daily traffic averages 17,410 vehicles, placing it in the heavily-trafficked 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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 55.2 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SW Gage compares
Live comparison across Kansas.
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 How the historical reference is calculated.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
- 1986
- Material
- Concrete Continuous
- Number of Spans
- 3
- Structure Length
- 37.3 m (122 ft)
- Deck Width
- 19.7 m (65 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 17,410 vehicles/day
- Structure Number
- 427950895351J4A
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
- • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
- • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.
How to read this record
This page shows what the last federal inspection recorded, not whether SW Gage 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 SW Gage against other structures in Shawnee 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 SW Gage?
SW Gage in Shawnee, 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 SW Gage inspected?
SW Gage'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 17,410 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SW Gage 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 SW Gage?
SW Gage has an NBI inventory load rating of 55.2 metric tons.
Who is responsible for maintaining SW Gage?
SW Gage is owned and maintained by City/Municipal Highway Agency.
How old is SW Gage and does age affect safety?
SW Gage was built in 1986, making it 40 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.
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.