FHWA NBI 2024 Inspection record Public-domain dataset

I 59

Carrying I 59 over CHICKAWILLASAW CREEK

1.1 MI N SR 18, Clarke, Mississippi

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
42 t Inventory load rating

Bridge Snapshot: I 59

The I 59 bridge in Clarke, Mississippi carries I 59 over CHICKAWILLASAW CREEK. It was built in 1966, making it 60 years old today. The structure is built primarily of concrete and spans 2 sections, stretching 10.7 meters (35 feet) end to end. Daily traffic averages 6,500 vehicles, placing it in the moderately-trafficked tier of Mississippi bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show culvert at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 42.3 metric tons.

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

How I 59 compares

▲ 7.9
Load rating vs Mississippi average (34.4 t)
Top 16%
Higher load rating than 84% of Mississippi bridges
224
Bridges in Clarke · 15 in Poor condition
I 59 42.3 t
Mississippi average 34.4 t

Live comparison across Mississippi.

Historical Sufficiency Rating

PlainBridge-computed
97.4 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
12.4
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 How the historical reference is calculated.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

Culvert
7/9
Good (7–9)
Inventory Load Rating
42.3 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1966
Material
Concrete
Number of Spans
2
Structure Length
10.7 m (35 ft)
Owner
State Highway Agency
Avg Daily Traffic
6,500 vehicles/day
Structure Number
11000590121265A

How to read this record

This page shows what the last federal inspection recorded, not whether I 59 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 I 59 against other structures in Clarke and across Mississippi. Mississippi 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 I 59?

I 59 in Clarke, Mississippi on the FHWA's 0–9 scale.

How often is I 59 inspected?

I 59'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 6,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I 59 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 I 59?

I 59 has an NBI inventory load rating of 42.3 metric tons.

Who is responsible for maintaining I 59?

I 59 is owned and maintained by State Highway Agency.

How old is I 59 and does age affect safety?

I 59 was built in 1966, making it 60 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.