FHWA NBI 2024 Inspection record Public-domain dataset

T 258

Carrying T 258 over JUD DITCH # 53,LAT # 2

0.9 MI N OF JCT CR 135, Norman, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
20 t Inventory load rating

Bridge Snapshot: T 258

The T 258 bridge in Norman, Minnesota carries T 258 over JUD DITCH # 53,LAT # 2. It was built in 1961, making it 65 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 16.5 meters (54 feet) end to end. Daily traffic averages 5 vehicles, placing it in the lower-traffic tier of Minnesota bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 19.6 metric tons.

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

How T 258 compares

▼ 16.1
Load rating vs Minnesota average (35.7 t)
Bottom 4%
Lower load rating than 96% of Minnesota bridges
140
Bridges in Norman · 5 in Poor condition
T 258 19.6 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
57.1 / 100 - historical 50–79.9 band
Structural adequacy /55
15.1
Serviceability /30
27.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
19.6 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1961
Material
Wood or Timber
Number of Spans
3
Structure Length
16.5 m (54 ft)
Deck Width
6.6 m (22 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
5 vehicles/day
Structure Number
L8773

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

T 258 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 T 258 against other structures in Norman and across Minnesota. Minnesota 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 T 258?

T 258 in Norman, Minnesota has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is T 258 inspected?

T 258'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 5 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. T 258 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 T 258?

T 258 has an NBI inventory load rating of 19.6 metric tons.

Who is responsible for maintaining T 258?

T 258 is owned and maintained by Town/Township Highway Agency.

How old is T 258 and does age affect safety?

T 258 was built in 1961, making it 65 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.