FHWA NBI 2024 Inspection record Public-domain dataset

T 183

Carrying T 183 over STREAM

0.7 MI W OF JCT TH 139, Fillmore, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
16 t Inventory load rating

Bridge Snapshot: T 183

The T 183 bridge in Fillmore, Minnesota carries T 183 over STREAM. It was built in 1970, making it 56 years old today. The structure is built primarily of steel and spans 1 section, stretching 8.9 meters (29 feet) end to end. Daily traffic averages 60 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 7/9, superstructure at 6/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 15.7 metric tons.

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

How T 183 compares

▼ 20.0
Load rating vs Minnesota average (35.7 t)
Bottom 2%
Lower load rating than 98% of Minnesota bridges
261
Bridges in Fillmore · 6 in Poor condition
T 183 15.7 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
65.8 / 100 - historical 50–79.9 band
Structural adequacy /55
22.8
Serviceability /30
28.0
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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
6/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
15.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1970
Material
Steel
Number of Spans
1
Structure Length
8.9 m (29 ft)
Deck Width
7.4 m (24 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
60 vehicles/day
Structure Number
L5984

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 5/9, 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 T 183 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 183 against other structures in Fillmore 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 183?

T 183 in Fillmore, Minnesota has a deck rating of 7/9, superstructure rating of 6/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is T 183 inspected?

T 183'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 60 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. T 183 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 183?

T 183 has an NBI inventory load rating of 15.7 metric tons.

Who is responsible for maintaining T 183?

T 183 is owned and maintained by Town/Township Highway Agency.

How old is T 183 and does age affect safety?

T 183 was built in 1970, making it 56 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.