Route 10A
Carrying Route 10A over Airport Drainage
0.5mi SE of Rte 10A/Rte 1, Guam, Guam
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: Route 10A
The Route 10A bridge in Guam, Guam carries Route 10A over Airport Drainage. It was built in 1978, making it 48 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 25.9 meters (85 feet) end to end. Daily traffic averages 19,999 vehicles, placing it in the heavily-trafficked tier of Guam bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show culvert 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 24.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How Route 10A compares
Live comparison across Guam.
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 How the historical reference is calculated.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
- 1978
- Material
- Concrete
- Number of Spans
- 2
- Structure Length
- 25.9 m (85 ft)
- Deck Width
- 35.1 m (115 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 19,999 vehicles/day
- Structure Number
- 66181000010G049
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 Route 10A 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 Route 10A against other structures in Guam and across Guam. Guam 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 Route 10A?
Route 10A in Guam, Guam on the FHWA's 0–9 scale.
How often is Route 10A inspected?
Route 10A'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 19,999 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. Route 10A 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 Route 10A?
Route 10A has an NBI inventory load rating of 24.0 metric tons.
Who is responsible for maintaining Route 10A?
Route 10A is owned and maintained by State Highway Agency.
How old is Route 10A and does age affect safety?
Route 10A was built in 1978, making it 48 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.