SH 173
Carrying SH 173 over BURNT BOOT CREEK
19.53 MI S OF US 90, Medina, Texas
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: SH 173
The SH 173 bridge in Medina, Texas carries SH 173 over BURNT BOOT CREEK. It was built in 1938, making it 88 years old today. It was last reconstructed in 1959, extending its service life. The structure is built primarily of concrete and spans 7 sections, stretching 21.3 meters (70 feet) end to end. Daily traffic averages 7,830 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. 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 173 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 How the historical reference is calculated.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
- 1938
- Last Reconstructed
- 1959
- Material
- Concrete
- Number of Spans
- 7
- Structure Length
- 21.3 m (70 ft)
- Deck Width
- 20.4 m (67 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 7,830 vehicles/day
- Structure Number
- 151630042101008
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 173 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 173 against other structures in Medina 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 173?
SH 173 in Medina, Texas on the FHWA's 0–9 scale.
How often is SH 173 inspected?
SH 173'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 7,830 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. SH 173 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 173?
SH 173 has an NBI inventory load rating of 23.6 metric tons.
Who is responsible for maintaining SH 173?
SH 173 is owned and maintained by State Highway Agency.
How old is SH 173 and does age affect safety?
SH 173 was built in 1938, making it 88 years old and last reconstructed in 1959.
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.