FHWA NBI 2024 Inspection record Public-domain dataset

FM 308

Carrying FM 308 over DRAW

2.2 MI NW OF IH 35E, Ellis, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
26 t Inventory load rating

Bridge Snapshot: FM 308

The FM 308 bridge in Ellis, Texas carries FM 308 over DRAW. It was built in 1951, making it 75 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 15.9 meters (52 feet) end to end. Daily traffic averages 360 vehicles, placing it in the lower-traffic 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 6/9. 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 26.3 metric tons.

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

How FM 308 compares

▼ 2.0
Load rating vs Texas average (28.3 t)
Top 48%
Higher load rating than 52% of Texas bridges
691
Bridges in Ellis · 10 in Poor condition
FM 308 26.3 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
72.9 / 100 - historical 50–79.9 band
Structural adequacy /55
50.1
Serviceability /30
11.0
Essentiality /15
14.8
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
26.3 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1951
Material
Concrete
Number of Spans
2
Structure Length
15.9 m (52 ft)
Deck Width
6.5 m (21 ft)
Owner
State Highway Agency
Avg Daily Traffic
360 vehicles/day
Structure Number
180710139301001

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.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether FM 308 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 FM 308 against other structures in Ellis 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 FM 308?

FM 308 in Ellis, Texas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is FM 308 inspected?

FM 308'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 360 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FM 308 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 FM 308?

FM 308 has an NBI inventory load rating of 26.3 metric tons.

Who is responsible for maintaining FM 308?

FM 308 is owned and maintained by State Highway Agency.

How old is FM 308 and does age affect safety?

FM 308 was built in 1951, making it 75 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.