FHWA NBI 2024 Inspection record Public-domain dataset

SH 64

Carrying SH 64 over LAKE TYLER - E MUD CREEK

1.7 MI SE OF FM 3226, Smith, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
33 t Inventory load rating

Bridge Snapshot: SH 64

The SH 64 bridge in Smith, Texas carries SH 64 over LAKE TYLER - E MUD CREEK. It was built in 1937, making it 89 years old today. It was last reconstructed in 1967, extending its service life. The structure is built primarily of concrete and spans 9 sections, stretching 82.3 meters (270 feet) end to end. Daily traffic averages 7,260 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 7/9, superstructure at 7/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 32.7 metric tons.

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

How SH 64 compares

▲ 4.4
Load rating vs Texas average (28.3 t)
Top 40%
Higher load rating than 60% of Texas bridges
427
Bridges in Smith · 6 in Poor condition
SH 64 32.7 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
65.4 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
27.0
Essentiality /15
8.4
Special reductions
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
32.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1937
Last Reconstructed
1967
Material
Concrete
Number of Spans
9
Structure Length
82.3 m (270 ft)
Deck Width
14.1 m (46 ft)
Owner
State Highway Agency
Avg Daily Traffic
7,260 vehicles/day
Structure Number
102120024506020

Condition Analysis

  • The deck (driving surface) is in good condition (7/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

SH 64 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare SH 64 against other structures in Smith 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 64?

SH 64 in Smith, Texas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is SH 64 inspected?

SH 64'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 7,260 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 64 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SH 64?

SH 64 has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining SH 64?

SH 64 is owned and maintained by State Highway Agency.

How old is SH 64 and does age affect safety?

SH 64 was built in 1937, making it 89 years old and last reconstructed in 1967.

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.