FHWA NBI 2024 Inspection record Public-domain dataset

T 257

Carrying T 257 over JUD DITCH # 15

0.1 MI S OF JCT CSAH 25, Renville, Minnesota

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Fair
34 t Inventory load rating Lower than 63% of rated Minnesota bridges

T 257 in Renville, Minnesota sits above 37% of rated Minnesota bridges on inventory load rating (34 t), while its 1966 build year is earlier than 78% of Renville's recorded-year cohort (141 bridges).

T 257 in Renville, Minnesota is rated Fair in the FHWA's 2024 National Bridge Inventory. Built in 1966, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 5. The lowest applicable rating sets the federal condition category, so this Fair result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure MN:65524

INTERSTATE-ERA · TIMBER · MULTI-SPAN · TIED-CTRL · TRACE-ADT · STANDARD-LOAD · CAT-FAIR

  • INTERSTATE-ERA 1950–1979
  • TIMBER Wood or timber
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • TRACE-ADT Trace ADT
  • STANDARD-LOAD Standard load
  • CAT-FAIR Fair

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: T 257

The T 257 bridge in Renville, Minnesota carries T 257 over JUD DITCH # 15. It was built in 1966, making it 60 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 20.4 meters (67 feet) end to end. Daily traffic averages 12 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 5/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range.

How T 257 compares

▼ 2.1
Load rating vs Minnesota average (35.8 t; 13,532 rated)
141
Bridges in Renville · 14 in Poor condition

Age against the county: built in 1966, earlier than 110 of Renville's 141 bridges with a recorded construction year (78%), against a county median build year of 1995. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

T 257 33.7 t
Minnesota average (13,532 rated) 35.8 t

Live comparison across Minnesota bridges with a recorded inventory load rating (13,532 rated).

T 257 vs every rated Minnesota bridge

Inventory load rating (metric tons), FHWA NBI, this state

34 Top 63% higher than 37% of 13,532 bridges

rated Minnesota bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
33.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Renville inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 141 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1966
Material
Wood or Timber
Number of Spans
3
Structure Length
20.4 m (67 ft)
Deck Width
6.9 m (23 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
12 vehicles/day
Structure Number
65524

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether T 257 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 T 257 against other structures in Renville 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 257?

T 257 in Renville, Minnesota has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is T 257 inspected?

T 257'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 12 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. T 257 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 T 257?

T 257 has an NBI inventory load rating of 33.7 metric tons.

Who is responsible for maintaining T 257?

T 257 is owned and maintained by Town/Township Highway Agency.

How old is T 257 and does age affect safety?

T 257 was built in 1966, making it 60 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

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

XFacebookLinkedInWhatsAppEmail

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.