FHWA NBI 2024 Inspection record Public-domain dataset

CR 18

Carrying CR 18 over WETLANDS

0.2 MI N OF JCT CSAH 116, Anoka, Minnesota

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
40 t Inventory load rating

Bridge Snapshot: CR 18

The CR 18 bridge in Anoka, Minnesota carries CR 18 over WETLANDS. It was built in 1989, making it 37 years old today. The structure is built primarily of concrete and spans 1 section, stretching 7.4 meters (24 feet) end to end. Daily traffic averages 7,541 vehicles, placing it in the moderately-trafficked tier of Minnesota bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 8/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 39.5 metric tons.

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

How CR 18 compares

▲ 3.8
Load rating vs Minnesota average (35.7 t)
Top 25%
Higher load rating than 75% of Minnesota bridges
145
Bridges in Anoka · 6 in Poor condition
CR 18 39.5 t
Minnesota average 35.7 t

Live comparison across Minnesota.

Historical Sufficiency Rating

PlainBridge-computed
98.9 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
13.9
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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
39.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1989
Material
Concrete
Number of Spans
1
Structure Length
7.4 m (24 ft)
Deck Width
18.2 m (60 ft)
Owner
County Highway Agency
Avg Daily Traffic
7,541 vehicles/day
Structure Number
02551

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in good condition (8/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether CR 18 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 CR 18 against other structures in Anoka 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 CR 18?

CR 18 in Anoka, Minnesota has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is CR 18 inspected?

CR 18'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 7,541 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CR 18 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 CR 18?

CR 18 has an NBI inventory load rating of 39.5 metric tons.

Who is responsible for maintaining CR 18?

CR 18 is owned and maintained by County Highway Agency.

How old is CR 18 and does age affect safety?

CR 18 was built in 1989, making it 37 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.