FHWA NBI 2024 Inspection record Public-domain dataset

CR 564

Carrying CR 564 over MUSTANG BAYOU

0.25 MI S OF CR 59, Brazoria, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
21 t Inventory load rating

Bridge Snapshot: CR 564

The CR 564 bridge in Brazoria, Texas carries CR 564 over MUSTANG BAYOU. It was built in 1993, making it 33 years old today. The structure is built primarily of wood or timber and spans 4 sections, stretching 18.3 meters (60 feet) end to end. Daily traffic averages 150 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 a deck rating of 6/9, superstructure at 5/9, 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 20.9 metric tons.

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

How CR 564 compares

▼ 7.4
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
CR 564 20.9 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
55.5 / 100 - historical 50–79.9 band
Structural adequacy /55
17.3
Serviceability /30
26.3
Essentiality /15
14.9
Special reductions
−3.0

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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
20.9 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1993
Material
Wood or Timber
Number of Spans
4
Structure Length
18.3 m (60 ft)
Deck Width
8.4 m (28 ft)
Owner
County Highway Agency
Avg Daily Traffic
150 vehicles/day
Structure Number
120200AA0542001

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) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

CR 564 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 564 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 564?

CR 564 in Brazoria, Texas has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is CR 564 inspected?

CR 564'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 150 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR 564 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 564?

CR 564 has an NBI inventory load rating of 20.9 metric tons.

Who is responsible for maintaining CR 564?

CR 564 is owned and maintained by County Highway Agency.

How old is CR 564 and does age affect safety?

CR 564 was built in 1993, making it 33 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.