FHWA NBI 2024 Inspection record Public-domain dataset

T 1098

Carrying T 1098 over SUNRISE RIVER

0.1 MI W OF JCT CSAH 9, Chisago, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: T 1098

The T 1098 bridge in Chisago, Minnesota carries T 1098 over SUNRISE RIVER. It was built in 1978, making it 48 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 29.4 meters (96 feet) end to end. Daily traffic averages 150 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 6/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 24.9 metric tons.

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

How T 1098 compares

▼ 10.8
Load rating vs Minnesota average (35.7 t)
Bottom 8%
Lower load rating than 92% of Minnesota bridges
42
Bridges in Chisago
T 1098 24.9 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
92.3 / 100 - historical 80–100 band
Structural adequacy /55
48.3
Serviceability /30
30.0
Essentiality /15
15.0
Special reductions
−1.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
24.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1978
Material
Prestressed Concrete
Number of Spans
1
Structure Length
29.4 m (96 ft)
Deck Width
11.0 m (36 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
150 vehicles/day
Structure Number
13510

Condition Analysis

  • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, 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 1098 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 1098 against other structures in Chisago 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 1098?

T 1098 in Chisago, Minnesota has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is T 1098 inspected?

T 1098'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 150 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. T 1098 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 1098?

T 1098 has an NBI inventory load rating of 24.9 metric tons.

Who is responsible for maintaining T 1098?

T 1098 is owned and maintained by Town/Township Highway Agency.

How old is T 1098 and does age affect safety?

T 1098 was built in 1978, making it 48 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.