UNKNOWN ROAD
Carrying UNKNOWN ROAD over UNKNOWN CREEK
1.5 KM NE OF BRIDGE 00145, McKinley, New Mexico
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: UNKNOWN ROAD
The UNKNOWN ROAD bridge in McKinley, New Mexico carries UNKNOWN ROAD over UNKNOWN CREEK. It was built in 1943, making it 83 years old today. The structure is built primarily of wood or timber and spans 4 sections, stretching 16.8 meters (55 feet) end to end. Daily traffic averages 5 vehicles, placing it in the lower-traffic tier of New Mexico bridges. It is owned and maintained by NASA.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 3/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How UNKNOWN ROAD compares
Live comparison across New Mexico.
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 How the historical reference is calculated.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
- Wood or Timber
- Number of Spans
- 4
- Structure Length
- 16.8 m (55 ft)
- Deck Width
- 3.7 m (12 ft)
- Owner
- NASA
- Avg Daily Traffic
- 5 vehicles/day
- Structure Number
- DAPATEWIN000146
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.
How to read this record
UNKNOWN ROAD 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 UNKNOWN ROAD against other structures in McKinley and across New Mexico. New Mexico 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 UNKNOWN ROAD?
UNKNOWN ROAD in McKinley, New Mexico has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is UNKNOWN ROAD inspected?
UNKNOWN ROAD'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 5 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. UNKNOWN ROAD 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 UNKNOWN ROAD?
An inventory load rating is not recorded for UNKNOWN ROAD.
Who is responsible for maintaining UNKNOWN ROAD?
UNKNOWN ROAD is owned and maintained by NASA.
How old is UNKNOWN ROAD and does age affect safety?
UNKNOWN ROAD 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.