FHWA NBI 2024 Inspection record Public-domain dataset

HWY 404

Carrying HWY 404 over LITTLE BOGUE CREEK

SEC 36 T21N R 7E B, Montgomery, Mississippi

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
17 t Inventory load rating

Bridge Snapshot: HWY 404

The HWY 404 bridge in Montgomery, Mississippi carries HWY 404 over LITTLE BOGUE CREEK. It was built in 1991, making it 35 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 46.9 meters (154 feet) end to end. Daily traffic averages 160 vehicles, placing it in the lower-traffic tier of Mississippi 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 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 17.1 metric tons.

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

How HWY 404 compares

▼ 17.3
Load rating vs Mississippi average (34.4 t)
Bottom 7%
Lower load rating than 93% of Mississippi bridges
170
Bridges in Montgomery · 4 in Poor condition
HWY 404 17.1 t
Mississippi average 34.4 t

Live comparison across Mississippi.

Historical Sufficiency Rating

PlainBridge-computed
62.6 / 100 - historical 50–79.9 band
Structural adequacy /55
35.5
Serviceability /30
12.3
Essentiality /15
14.8
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 How the historical reference is calculated.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
7/9
Good (7–9)
Inventory Load Rating
17.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1991
Material
Prestressed Concrete
Number of Spans
1
Structure Length
46.9 m (154 ft)
Deck Width
7.5 m (25 ft)
Owner
County Highway Agency
Avg Daily Traffic
160 vehicles/day
Structure Number
SA4900000000137

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) 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 HWY 404 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 HWY 404 against other structures in Montgomery 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 HWY 404?

HWY 404 in Montgomery, Mississippi has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is HWY 404 inspected?

HWY 404'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 160 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. HWY 404 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 HWY 404?

HWY 404 has an NBI inventory load rating of 17.1 metric tons.

Who is responsible for maintaining HWY 404?

HWY 404 is owned and maintained by County Highway Agency.

How old is HWY 404 and does age affect safety?

HWY 404 was built in 1991, making it 35 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.