FHWA NBI 2024 Inspection record Public-domain dataset

COUNTY RD 416

Carrying COUNTY RD 416 over DRY CR

S 32 T 30 N R 10 E, Bollinger, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor

Bridge Snapshot: COUNTY RD 416

The COUNTY RD 416 bridge in Bollinger, Missouri carries COUNTY RD 416 over DRY CR. It was built in 1910, making it 116 years old today. The structure is built primarily of steel and spans 4 sections, stretching 18.6 meters (61 feet) end to end. Daily traffic averages 35 vehicles, placing it in the lower-traffic tier of Missouri bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 3/9, substructure at 2/9. The weakest component sits in critical condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed.

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

How COUNTY RD 416 compares

125
Bridges in Bollinger · 19 in Poor condition

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
20.9 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
6.0
Essentiality /15
14.9
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
3/9
Poor (1–4)
Substructure
2/9
Poor (1–4)
Overall Condition
Poor

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

Structural Details

Year Built
1910
Material
Steel
Number of Spans
4
Structure Length
18.6 m (61 ft)
Deck Width
3.7 m (12 ft)
Owner
County Highway Agency
Avg Daily Traffic
35 vehicles/day
Structure Number
16376

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) rates poor at 3/9, advanced deterioration that should be prioritized for repair.
  • At 2/9, the substructure (piers and abutments) is in critical shape, with severe wear requiring urgent action.

How to read this record

COUNTY RD 416 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare COUNTY RD 416 against other structures in Bollinger and across Missouri. Missouri 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 COUNTY RD 416?

COUNTY RD 416 in Bollinger, Missouri has a deck rating of 5/9, superstructure rating of 3/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.

How often is COUNTY RD 416 inspected?

COUNTY RD 416'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 35 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. COUNTY RD 416 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for COUNTY RD 416?

An inventory load rating is not recorded for COUNTY RD 416.

Who is responsible for maintaining COUNTY RD 416?

COUNTY RD 416 is owned and maintained by County Highway Agency.

How old is COUNTY RD 416 and does age affect safety?

COUNTY RD 416 was built in 1910, making it 116 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.