CR 171 (AVE F)
Carrying CR 171 (AVE F) over CORNER BAYOU
0.25 MI SW OF CR 203, Brazoria, Texas
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
CR 171 (AVE F) in Brazoria, Texas sits above 94% of rated Texas bridges on inventory load rating (41 t), while its 1984 build year is earlier than 64% of Brazoria's recorded-year cohort (618 bridges).
CR 171 (AVE F) in Brazoria, Texas is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1984, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure TX:120200AA0813002
LATE-CENTURY · STEEL · MULTI-SPAN · CULVERT-LED · LOCAL-ADT · HEAVY-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- STEEL Steel
- MULTI-SPAN 3 spans
- CULVERT-LED Culvert-led
- LOCAL-ADT Local ADT
- HEAVY-LOAD Heavy load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: CR 171 (AVE F)
The CR 171 (AVE F) bridge in Brazoria, Texas carries CR 171 (AVE F) over CORNER BAYOU. It was built in 1984, making it 42 years old today. The structure is built primarily of steel and spans 3 sections, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 720 vehicles, placing it in the lower-traffic tier of Texas bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show culvert at 4/9. 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.
How CR 171 (AVE F) compares
Age against the county: built in 1984, earlier than 394 of Brazoria's 618 bridges with a recorded construction year (64%), against a county median build year of 1991. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Texas bridges with a recorded inventory load rating (56,715 of 56,729 rated).
CR 171 (AVE F) vs every rated Texas bridge
Inventory load rating (metric tons), FHWA NBI, this state
41 Top 6% higher than 94% of 56,715 bridges
rated Texas bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Brazoria inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 618 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1984
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 7.0 m (23 ft) 0
- Owner
- County Highway Agency
- Avg Daily Traffic
- 720 vehicles/day
- Structure Number
- 120200AA0813002
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
CR 171 (AVE F) 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 CR 171 (AVE F) against other structures in Brazoria 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 CR 171 (AVE F)?
CR 171 (AVE F) in Brazoria, Texas on the FHWA's 0–9 scale.
How often is CR 171 (AVE F) inspected?
CR 171 (AVE F)'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 720 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. CR 171 (AVE F) 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 CR 171 (AVE F)?
CR 171 (AVE F) has an NBI inventory load rating of 40.8 metric tons.
Who is responsible for maintaining CR 171 (AVE F)?
CR 171 (AVE F) is owned and maintained by County Highway Agency.
How old is CR 171 (AVE F) and does age affect safety?
CR 171 (AVE F) was built in 1984, making it 42 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.