FHWA NBI 2024 Inspection record Public-domain dataset

SH 174 SB

Carrying SH 174 SB over MK & T RR

0.2 MI W OF IH 35W, Johnson, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Unknown

Bridge Snapshot: SH 174 SB

The SH 174 SB bridge in Johnson, Texas carries SH 174 SB over MK & T RR. It was built in 1995, making it 31 years old today. The structure is built primarily of prestressed concrete. Daily traffic averages 18,750 vehicles, placing it in the heavily-trafficked tier of Texas bridges.

The latest FHWA inspection records show limited component ratings on file. The weakest component sits in unrated condition. All reported major components score above the Poor range.

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

How SH 174 SB compares

404
Bridges in Johnson

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
86.2 / 100 - historical 80–100 band
Structural adequacy /55
45.0
Serviceability /30
29.0
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 How the historical reference is calculated.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

Overall Condition
Unrated

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

Structural Details

Year Built
1995
Material
Prestressed Concrete
Avg Daily Traffic
18,750 vehicles/day
Structure Number
021270001901043

How to read this record

This page shows what the last federal inspection recorded, not whether SH 174 SB 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 174 SB against other structures in Johnson 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 174 SB?

SH 174 SB in Johnson, Texas on the FHWA's 0–9 scale.

How often is SH 174 SB inspected?

SH 174 SB'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 18,750 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 174 SB is currently shown as unrated condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SH 174 SB?

An inventory load rating is not recorded for SH 174 SB.

Who is responsible for maintaining SH 174 SB?

Ownership is not specified for SH 174 SB in the NBI.

How old is SH 174 SB and does age affect safety?

SH 174 SB was built in 1995, making it 31 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.