FHWA NBI 2024 Inspection record Public-domain dataset

NIGHTINGALE RD

Carrying NIGHTINGALE RD over BEAR CR

S 15 T 59 N R 13 W, Macon, Missouri

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
55 t Inventory load rating

Bridge Snapshot: NIGHTINGALE RD

The NIGHTINGALE RD bridge in Macon, Missouri carries NIGHTINGALE RD over BEAR CR. It was built in 1991, making it 35 years old today. The structure is built primarily of steel and spans 2 sections, stretching 36.9 meters (121 feet) end to end. Daily traffic averages 20 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 7/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 54.9 metric tons.

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

How NIGHTINGALE RD compares

▲ 21.2
Load rating vs Missouri average (33.7 t)
Top 9%
Higher load rating than 91% of Missouri bridges
291
Bridges in Macon · 21 in Poor condition
NIGHTINGALE RD 54.9 t
Missouri average 33.7 t

Live comparison across Missouri.

Historical Sufficiency Rating

PlainBridge-computed
93.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
23.5
Essentiality /15
15.0
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Inventory Load Rating
54.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1991
Material
Steel
Number of Spans
2
Structure Length
36.9 m (121 ft)
Deck Width
5.5 m (18 ft)
Owner
County Highway Agency
Avg Daily Traffic
20 vehicles/day
Structure Number
16723

Condition Analysis

  • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether NIGHTINGALE 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 NIGHTINGALE RD against other structures in Macon 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 NIGHTINGALE RD?

NIGHTINGALE RD in Macon, Missouri has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is NIGHTINGALE RD inspected?

NIGHTINGALE 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 20 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NIGHTINGALE 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 NIGHTINGALE RD?

NIGHTINGALE RD has an NBI inventory load rating of 54.9 metric tons.

Who is responsible for maintaining NIGHTINGALE RD?

NIGHTINGALE RD is owned and maintained by County Highway Agency.

How old is NIGHTINGALE RD and does age affect safety?

NIGHTINGALE RD 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.