SH 138
Carrying SH 138 over S SALADO CREEK
0.30 MI W OF SH 195, Williamson, Texas
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SH 138
The SH 138 bridge in Williamson, Texas carries SH 138 over S SALADO CREEK. It was built in 1923, making it 103 years old today. It was last reconstructed in 2020, extending its service life. The structure is built primarily of concrete and spans 3 sections, stretching 9.8 meters (32 feet) end to end. Daily traffic averages 4,170 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 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition 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 SH 138 compares
Live comparison across Texas.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1923
- Last Reconstructed
- 2020
- Material
- Concrete
- Number of Spans
- 3
- Structure Length
- 9.8 m (32 ft)
- Deck Width
- 15.1 m (50 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 4,170 vehicles/day
- Structure Number
- 142460044001004
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
This page shows what the last federal inspection recorded, not whether SH 138 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 138 against other structures in Williamson 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 138?
SH 138 in Williamson, Texas on the FHWA's 0–9 scale.
How often is SH 138 inspected?
SH 138'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 4,170 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SH 138 is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for SH 138?
SH 138 has an NBI inventory load rating of 23.6 metric tons.
Who is responsible for maintaining SH 138?
SH 138 is owned and maintained by State Highway Agency.
How old is SH 138 and does age affect safety?
SH 138 was built in 1923, making it 103 years old and last reconstructed in 2020.
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.
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.