DUNCAN ST
Carrying DUNCAN ST over BLACK FORK CR TR
0.05 MI W OF LP 323, Smith, Texas
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: DUNCAN ST
The DUNCAN ST bridge in Smith, Texas carries DUNCAN ST over BLACK FORK CR TR. It was built in 1987, making it 39 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 8.5 meters (28 feet) end to end. Daily traffic averages 17,330 vehicles, placing it in the heavily-trafficked tier of Texas bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show culvert at 6/9. 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 24.5 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How DUNCAN ST compares
Live comparison across Texas.
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 How the historical reference is calculated.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
- 1987
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 8.5 m (28 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 17,330 vehicles/day
- Structure Number
- 102120B01415001
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 DUNCAN ST 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 DUNCAN ST against other structures in Smith and across Texas. Texas 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 DUNCAN ST?
DUNCAN ST in Smith, Texas on the FHWA's 0–9 scale.
How often is DUNCAN ST inspected?
DUNCAN ST'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 17,330 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. DUNCAN ST 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 DUNCAN ST?
DUNCAN ST has an NBI inventory load rating of 24.5 metric tons.
Who is responsible for maintaining DUNCAN ST?
DUNCAN ST is owned and maintained by City/Municipal Highway Agency.
How old is DUNCAN ST and does age affect safety?
DUNCAN ST was built in 1987, making it 39 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.