FHWA NBI 2024 Inspection record Public-domain dataset

SH 73 WB

Carrying SH 73 WB over Abandoned Railroad

0.3 MI E OF FM 1663, Chambers, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
41 t Inventory load rating

Bridge Snapshot: SH 73 WB

The SH 73 WB bridge in Chambers, Texas carries SH 73 WB over Abandoned Railroad. It was built in 1962, making it 64 years old today. The structure is built primarily of prestressed concrete and spans 5 sections, stretching 80.8 meters (265 feet) end to end. Daily traffic averages 3,590 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 6/9, superstructure at 7/9, substructure at 7/9. 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 40.8 metric tons.

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

How SH 73 WB compares

▲ 12.5
Load rating vs Texas average (28.3 t)
Top 6%
Higher load rating than 94% of Texas bridges
152
Bridges in Chambers · 3 in Poor condition
SH 73 WB 40.8 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
89.8 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
23.2
Essentiality /15
14.6
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
40.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1962
Material
Prestressed Concrete
Number of Spans
5
Structure Length
80.8 m (265 ft)
Deck Width
14.5 m (48 ft)
Owner
State Highway Agency
Avg Daily Traffic
3,590 vehicles/day
Structure Number
200360050803161

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), 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 73 WB 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 73 WB against other structures in Chambers 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 73 WB?

SH 73 WB in Chambers, Texas has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is SH 73 WB inspected?

SH 73 WB'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 3,590 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SH 73 WB 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 73 WB?

SH 73 WB has an NBI inventory load rating of 40.8 metric tons.

Who is responsible for maintaining SH 73 WB?

SH 73 WB is owned and maintained by State Highway Agency.

How old is SH 73 WB and does age affect safety?

SH 73 WB was built in 1962, making it 64 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.