FHWA NBI 2024 Inspection record Public-domain dataset

PATTERSON RD

Carrying PATTERSON RD over MUSTANG BAYOU

0.25 MI SW OF CHOC BYU RD, Brazoria, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
19 t Inventory load rating

Bridge Snapshot: PATTERSON RD

The PATTERSON RD bridge in Brazoria, Texas carries PATTERSON RD over MUSTANG BAYOU. It was built in 1981, making it 45 years old today. The structure is built primarily of wood or timber and spans 4 sections, stretching 16.2 meters (53 feet) end to end. Daily traffic averages 160 vehicles, placing it in the lower-traffic tier of Texas bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 19.0 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How PATTERSON RD compares

▼ 9.3
Load rating vs Texas average (28.3 t)
Bottom 2%
Lower load rating than 98% of Texas bridges
618
Bridges in Brazoria · 14 in Poor condition
PATTERSON RD 19.0 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
48.2 / 100 - historical 20–49.9 band
Structural adequacy /55
14.0
Serviceability /30
19.2
Essentiality /15
14.9
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
19.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1981
Material
Wood or Timber
Number of Spans
4
Structure Length
16.2 m (53 ft)
Deck Width
7.5 m (25 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
160 vehicles/day
Structure Number
120200W00180001

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

PATTERSON RD 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 PATTERSON RD 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 PATTERSON RD?

PATTERSON RD in Brazoria, Texas has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is PATTERSON RD inspected?

PATTERSON RD'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 160 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. PATTERSON RD 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 PATTERSON RD?

PATTERSON RD has an NBI inventory load rating of 19.0 metric tons.

Who is responsible for maintaining PATTERSON RD?

PATTERSON RD is owned and maintained by Town/Township Highway Agency.

How old is PATTERSON RD and does age affect safety?

PATTERSON RD was built in 1981, making it 45 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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.