FHWA NBI 2024 Inspection record Public-domain dataset

CSAH 14

Carrying CSAH 14 over PRAIRIE RIVER

0.3 MI N OF JCT CR 75, Aitkin, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
34 t Inventory load rating

Bridge Snapshot: CSAH 14

The CSAH 14 bridge in Aitkin, Minnesota carries CSAH 14 over PRAIRIE RIVER. It was built in 2009, making it 17 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 52.6 meters (173 feet) end to end. Daily traffic averages 729 vehicles, placing it in the lower-traffic tier of Minnesota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 34.3 metric tons.

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

How CSAH 14 compares

▼ 1.4
Load rating vs Minnesota average (35.7 t)
Bottom 38%
Lower load rating than 62% of Minnesota bridges
85
Bridges in Aitkin · 7 in Poor condition
CSAH 14 34.3 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
98.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.7
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
34.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2009
Material
Prestressed Concrete
Number of Spans
3
Structure Length
52.6 m (173 ft)
Deck Width
15.3 m (50 ft)
Owner
County Highway Agency
Avg Daily Traffic
729 vehicles/day
Structure Number
01531

Condition Analysis

  • The deck (driving surface) is in good condition (8/9), showing no significant deterioration.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates good at 7/9, with no significant deterioration on file.

How to read this record

This page shows what the last federal inspection recorded, not whether CSAH 14 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 CSAH 14 against other structures in Aitkin 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 CSAH 14?

CSAH 14 in Aitkin, Minnesota has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is CSAH 14 inspected?

CSAH 14'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 729 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CSAH 14 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for CSAH 14?

CSAH 14 has an NBI inventory load rating of 34.3 metric tons.

Who is responsible for maintaining CSAH 14?

CSAH 14 is owned and maintained by County Highway Agency.

How old is CSAH 14 and does age affect safety?

CSAH 14 was built in 2009, making it 17 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.