FHWA NBI 2024 Inspection record Public-domain dataset

T 320

Carrying T 320 over CHETAMBA CREEK

0.4 MI N OF JCT CSAH 11, Renville, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
29 t Inventory load rating

Bridge Snapshot: T 320

The T 320 bridge in Renville, Minnesota carries T 320 over CHETAMBA CREEK. It was built in 1964, making it 62 years old today. The structure is built primarily of wood or timber and spans 2 sections, stretching 16.3 meters (53 feet) end to end. Daily traffic averages 42 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 3/9, superstructure at 3/9, substructure at 3/9. 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 29.4 metric tons.

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

How T 320 compares

▼ 6.3
Load rating vs Minnesota average (35.7 t)
Bottom 14%
Lower load rating than 86% of Minnesota bridges
139
Bridges in Renville · 14 in Poor condition
T 320 29.4 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
49.3 / 100 - historical 20–49.9 band
Structural adequacy /55
13.3
Serviceability /30
21.0
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Superstructure
3/9
Poor (1–4)
Substructure
3/9
Poor (1–4)
Inventory Load Rating
29.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1964
Material
Wood or Timber
Number of Spans
2
Structure Length
16.3 m (53 ft)
Deck Width
8.2 m (27 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
42 vehicles/day
Structure Number
65507

Condition Analysis

  • At 3/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
  • At 3/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

T 320 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 320 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 320?

T 320 in Renville, Minnesota has a deck rating of 3/9, superstructure rating of 3/9, and substructure rating of 3/9 on the FHWA's 0–9 scale.

How often is T 320 inspected?

T 320'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 42 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. T 320 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 320?

T 320 has an NBI inventory load rating of 29.4 metric tons.

Who is responsible for maintaining T 320?

T 320 is owned and maintained by Town/Township Highway Agency.

How old is T 320 and does age affect safety?

T 320 was built in 1964, making it 62 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.