FHWA NBI 2024 Inspection record Public-domain dataset

SH 159

Carrying SH 159 over CLEAR CREEK

2.85 MI NE OF FM 529, Austin, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
27 t Inventory load rating

Bridge Snapshot: SH 159

The SH 159 bridge in Austin, Texas carries SH 159 over CLEAR CREEK. It was built in 1928, making it 98 years old today. It was last reconstructed in 1958, extending its service life. The structure is built primarily of concrete and spans 7 sections, stretching 29.9 meters (98 feet) end to end. Daily traffic averages 5,424 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 a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 27.2 metric tons.

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

How SH 159 compares

▼ 1.1
Load rating vs Texas average (28.3 t)
Top 47%
Higher load rating than 53% of Texas bridges
214
Bridges in Austin · 6 in Poor condition
SH 159 27.2 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
91.8 / 100 - historical 80–100 band
Structural adequacy /55
51.1
Serviceability /30
29.0
Essentiality /15
13.7
Special reductions
−2.0

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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
27.2 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1928
Last Reconstructed
1958
Material
Concrete
Number of Spans
7
Structure Length
29.9 m (98 ft)
Deck Width
14.1 m (46 ft)
Owner
State Highway Agency
Avg Daily Traffic
5,424 vehicles/day
Structure Number
130080040901002

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether SH 159 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 SH 159 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 SH 159?

SH 159 in Austin, Texas has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SH 159 inspected?

SH 159'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 5,424 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 159 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 SH 159?

SH 159 has an NBI inventory load rating of 27.2 metric tons.

Who is responsible for maintaining SH 159?

SH 159 is owned and maintained by State Highway Agency.

How old is SH 159 and does age affect safety?

SH 159 was built in 1928, making it 98 years old and last reconstructed in 1958.

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.