FHWA NBI 2024 Inspection record Public-domain dataset

FM 529

Carrying FM 529 over DRY CREEK

4.84 MI E OF SH 159, Austin, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
24 t Inventory load rating

Bridge Snapshot: FM 529

The FM 529 bridge in Austin, Texas carries FM 529 over DRY CREEK. It was built in 1986, making it 40 years old today. The structure is built primarily of concrete and spans 4 sections, stretching 13.1 meters (43 feet) end to end. Daily traffic averages 2,296 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 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 23.6 metric tons.

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

How FM 529 compares

▼ 4.7
Load rating vs Texas average (28.3 t)
Bottom 4%
Lower load rating than 96% of Texas bridges
214
Bridges in Austin · 6 in Poor condition
FM 529 23.6 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
79.9 / 100 - historical 50–79.9 band
Structural adequacy /55
46.5
Serviceability /30
21.1
Essentiality /15
13.2
Special reductions
−1.0

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 How the historical reference is calculated.

Condition Ratings

Culvert
7/9
Good (7–9)
Inventory Load Rating
23.6 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1986
Material
Concrete
Number of Spans
4
Structure Length
13.1 m (43 ft)
Deck Width
17.7 m (58 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,296 vehicles/day
Structure Number
130080040805027

How to read this record

This page shows what the last federal inspection recorded, not whether FM 529 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 529 against other structures in Austin 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 529?

FM 529 in Austin, Texas on the FHWA's 0–9 scale.

How often is FM 529 inspected?

FM 529'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 2,296 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FM 529 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for FM 529?

FM 529 has an NBI inventory load rating of 23.6 metric tons.

Who is responsible for maintaining FM 529?

FM 529 is owned and maintained by State Highway Agency.

How old is FM 529 and does age affect safety?

FM 529 was built in 1986, making it 40 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.