FHWA NBI 2024 Inspection record Public-domain dataset

LOOP 306 WB

Carrying LOOP 306 WB over AT & SF RR

2.45 MI E OF US 67, Tom Green, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
28 t Inventory load rating

Bridge Snapshot: LOOP 306 WB

The LOOP 306 WB bridge in Tom Green, Texas carries LOOP 306 WB over AT & SF RR. It was built in 1962, making it 64 years old today. The structure is built primarily of steel continuous and spans 5 sections, stretching 68.6 meters (225 feet) end to end. Daily traffic averages 10,791 vehicles, placing it in the heavily-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. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 28.1 metric tons.

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

How LOOP 306 WB compares

▼ 0.2
Load rating vs Texas average (28.3 t)
Top 46%
Higher load rating than 54% of Texas bridges
310
Bridges in Tom Green · 1 in Poor condition
LOOP 306 WB 28.1 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
97.1 / 100 - historical 80–100 band
Structural adequacy /55
52.1
Serviceability /30
30.0
Essentiality /15
15.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
28.1 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
Steel Continuous
Number of Spans
5
Structure Length
68.6 m (225 ft)
Deck Width
13.4 m (44 ft)
Owner
State Highway Agency
Avg Daily Traffic
10,791 vehicles/day
Structure Number
072260007708053

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether LOOP 306 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 LOOP 306 WB against other structures in Tom Green 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 LOOP 306 WB?

LOOP 306 WB in Tom Green, 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 LOOP 306 WB inspected?

LOOP 306 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 10,791 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. LOOP 306 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 LOOP 306 WB?

LOOP 306 WB has an NBI inventory load rating of 28.1 metric tons.

Who is responsible for maintaining LOOP 306 WB?

LOOP 306 WB is owned and maintained by State Highway Agency.

How old is LOOP 306 WB and does age affect safety?

LOOP 306 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.