MCKENZIE HILL RD
Carrying MCKENZIE HILL RD over WEST WOLF CREEK
FORT SILL ARMY POST, Comanche, Oklahoma
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MCKENZIE HILL RD
The MCKENZIE HILL RD bridge in Comanche, Oklahoma carries MCKENZIE HILL RD over WEST WOLF CREEK. It was built in 1943, making it 83 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 9.6 meters (31 feet) end to end. Daily traffic averages 800 vehicles, placing it in the lower-traffic tier of Oklahoma bridges. It is owned and maintained by NASA.
The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 32.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MCKENZIE HILL RD compares
Live comparison across Oklahoma.
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 How the historical reference is calculated.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
- 1943
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 9.6 m (31 ft)
- Owner
- NASA
- Avg Daily Traffic
- 800 vehicles/day
- Structure Number
- DAPTRASIL000014
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 MCKENZIE HILL RD 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 MCKENZIE HILL RD against other structures in Comanche and across Oklahoma. Oklahoma 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 MCKENZIE HILL RD?
MCKENZIE HILL RD in Comanche, Oklahoma on the FHWA's 0–9 scale.
How often is MCKENZIE HILL RD inspected?
MCKENZIE HILL RD'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 800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MCKENZIE HILL RD 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 MCKENZIE HILL RD?
MCKENZIE HILL RD has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining MCKENZIE HILL RD?
MCKENZIE HILL RD is owned and maintained by NASA.
How old is MCKENZIE HILL RD and does age affect safety?
MCKENZIE HILL RD was built in 1943, making it 83 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.