FM 320
Carrying FM 320 over WOLF CREEK
4.7 MI E OF FM 645, Anderson, Texas
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: FM 320
The FM 320 bridge in Anderson, Texas carries FM 320 over WOLF CREEK. It was built in 1962, making it 64 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 14.0 meters (46 feet) end to end. Daily traffic averages 1,561 vehicles, placing it in the moderately-trafficked tier of Texas bridges. It is owned and maintained by State 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 FM 320 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 How the historical reference is calculated.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
- 1962
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 14.0 m (46 ft)
- Deck Width
- 11.4 m (37 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 1,561 vehicles/day
- Structure Number
- 100010089101008
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 FM 320 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 FM 320 against other structures in Anderson 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 FM 320?
FM 320 in Anderson, Texas on the FHWA's 0–9 scale.
How often is FM 320 inspected?
FM 320'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 1,561 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. FM 320 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 FM 320?
FM 320 has an NBI inventory load rating of 24.5 metric tons.
Who is responsible for maintaining FM 320?
FM 320 is owned and maintained by State Highway Agency.
How old is FM 320 and does age affect safety?
FM 320 was built in 1962, making it 64 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.