MISSION 66
Carrying MISSION 66 over KANSAS CITY SOUTHERN RR
SEC 21 T16N R 3E, Warren, Mississippi
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: MISSION 66
The MISSION 66 bridge in Warren, Mississippi carries MISSION 66 over KANSAS CITY SOUTHERN RR. It was built in 1967, making it 59 years old today. The structure is built primarily of steel and spans 3 sections, stretching 42.8 meters (140 feet) end to end. Daily traffic averages 10,540 vehicles, placing it in the heavily-trafficked tier of Mississippi bridges. It is owned and maintained by City/Municipal 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. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 23.0 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How MISSION 66 compares
Live comparison across Mississippi.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1967
- Material
- Steel
- Number of Spans
- 3
- Structure Length
- 42.8 m (140 ft)
- Deck Width
- 17.0 m (56 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 10,540 vehicles/day
- Structure Number
- SA7500000000046
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 6/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
- • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
- • 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 MISSION 66 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 MISSION 66 against other structures in Warren 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 MISSION 66?
MISSION 66 in Warren, Mississippi 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 MISSION 66 inspected?
MISSION 66'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 10,540 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. MISSION 66 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 MISSION 66?
MISSION 66 has an NBI inventory load rating of 23.0 metric tons.
Who is responsible for maintaining MISSION 66?
MISSION 66 is owned and maintained by City/Municipal Highway Agency.
How old is MISSION 66 and does age affect safety?
MISSION 66 was built in 1967, making it 59 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.
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.