T 312
Carrying T 312 over MASTEN CREEK
0.2 MI SE OF JCT CSAH 15, Dodge, Minnesota
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
T 312 in Dodge, Minnesota sits above 9% of rated Minnesota bridges on inventory load rating (26 t), while its 1988 build year is earlier than 42% of Dodge's recorded-year cohort (177 bridges).
T 312 in Dodge, Minnesota is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1988, it carries 1 rated component on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor 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:20547
LATE-CENTURY · STEEL · LONG-SPAN-RUN · CULVERT-LED · TRACE-ADT · STANDARD-LOAD · CAT-POOR
- LATE-CENTURY 1980–1999
- STEEL Steel
- LONG-SPAN-RUN 4 spans
- CULVERT-LED Culvert-led
- TRACE-ADT Trace ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
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 312
The T 312 bridge in Dodge, Minnesota carries T 312 over MASTEN CREEK. It was built in 1988, making it 38 years old today. The structure is built primarily of steel and spans 4 sections, stretching 11.6 meters (38 feet) end to end. Daily traffic averages 48 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 culvert at 4/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
How T 312 compares
Age against the county: built in 1988, earlier than 75 of Dodge's 177 bridges with a recorded construction year (42%), against a county median build year of 1983. This is one of the newer structures in its county.
Live comparison across Minnesota bridges with a recorded inventory load rating (13,532 rated).
T 312 vs every rated Minnesota bridge
Inventory load rating (metric tons), FHWA NBI, this state
26 Top 91% higher than 9% 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
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Dodge inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 177 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
- 1988
- Material
- Steel
- Number of Spans
- 4
- Structure Length
- 11.6 m (38 ft) 0
- Owner
- Town/Township Highway Agency
- Avg Daily Traffic
- 48 vehicles/day
- Structure Number
- 20547
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
T 312 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 312 against other structures in Dodge 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 312?
T 312 in Dodge, Minnesota on the FHWA's 0–9 scale.
How often is T 312 inspected?
T 312'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 48 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. T 312 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 312?
T 312 has an NBI inventory load rating of 26.1 metric tons.
Who is responsible for maintaining T 312?
T 312 is owned and maintained by Town/Township Highway Agency.
How old is T 312 and does age affect safety?
T 312 was built in 1988, making it 38 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.
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.
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.