SH 222
Carrying SH 222 over BRAZOS RIVER
5.50 MI W OF SH 6, Knox, Texas
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SH 222
The SH 222 bridge in Knox, Texas carries SH 222 over BRAZOS RIVER. It was built in 1960, making it 66 years old today. It was last reconstructed in 1981, extending its service life. The structure is built primarily of steel continuous and spans 15 sections, stretching 243.8 meters (800 feet) end to end. Daily traffic averages 348 vehicles, placing it in the lower-traffic tier of Texas bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 6/9, superstructure at 4/9, substructure at 3/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 22.7 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How SH 222 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 How the historical reference is calculated.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
- 1960
- Last Reconstructed
- 1981
- Material
- Steel Continuous
- Number of Spans
- 15
- Structure Length
- 243.8 m (800 ft)
- Deck Width
- 11.0 m (36 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 348 vehicles/day
- Structure Number
- 251380049604003
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • The superstructure (beams and supports above the deck) is in poor condition (4/9), showing advanced deterioration that may require priority repair.
- • The substructure (piers and abutments) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
How to read this record
SH 222 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 SH 222 against other structures in Knox 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 SH 222?
SH 222 in Knox, Texas has a deck rating of 6/9, superstructure rating of 4/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.
How often is SH 222 inspected?
SH 222'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 348 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SH 222 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 SH 222?
SH 222 has an NBI inventory load rating of 22.7 metric tons.
Who is responsible for maintaining SH 222?
SH 222 is owned and maintained by State Highway Agency.
How old is SH 222 and does age affect safety?
SH 222 was built in 1960, making it 66 years old and last reconstructed in 1981.
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.