FHWA NBI 2024 Inspection record Public-domain dataset

Lower Mt Vernon Rd

Carrying Lower Mt Vernon Rd over Dixon and Lewis Ditch

00.19 MI E of CABORN RD, Posey, Indiana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
40 t Inventory load rating

Bridge Snapshot: Lower Mt Vernon Rd

The Lower Mt Vernon Rd bridge in Posey, Indiana carries Lower Mt Vernon Rd over Dixon and Lewis Ditch. It was built in 1972, making it 54 years old today. The structure is built primarily of concrete and spans 1 section, stretching 9.0 meters (30 feet) end to end. Daily traffic averages 245 vehicles, placing it in the lower-traffic tier of Indiana bridges. It is owned and maintained by County 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 39.8 metric tons.

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

How Lower Mt Vernon Rd compares

▲ 4.2
Load rating vs Indiana average (35.6 t)
Top 25%
Higher load rating than 75% of Indiana bridges
205
Bridges in Posey · 10 in Poor condition
Lower Mt Vernon Rd 39.8 t
Indiana average 35.6 t

Live comparison across Indiana.

Historical Sufficiency Rating

PlainBridge-computed
81.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
14.5
Essentiality /15
15.0
Special reductions
−3.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
39.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1972
Material
Concrete
Number of Spans
1
Structure Length
9.0 m (30 ft)
Deck Width
6.9 m (23 ft)
Owner
County Highway Agency
Avg Daily Traffic
245 vehicles/day
Structure Number
6500177

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether Lower Mt Vernon Rd 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 Lower Mt Vernon Rd against other structures in Posey and across Indiana. Indiana 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 Lower Mt Vernon Rd?

Lower Mt Vernon Rd in Posey, Indiana 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 Lower Mt Vernon Rd inspected?

Lower Mt Vernon Rd'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 245 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. Lower Mt Vernon Rd 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 Lower Mt Vernon Rd?

Lower Mt Vernon Rd has an NBI inventory load rating of 39.8 metric tons.

Who is responsible for maintaining Lower Mt Vernon Rd?

Lower Mt Vernon Rd is owned and maintained by County Highway Agency.

How old is Lower Mt Vernon Rd and does age affect safety?

Lower Mt Vernon Rd was built in 1972, making it 54 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.